220320100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:147

約数の個数: 288

約数和(自身を含む): 671956992

約数和(自身を除く): 451636892

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 25, 26, 28, 31, 35, 44, 50, 52, 55, 62, 65, 70, 71, 77, 91, 100, 110, 124, 130, 140, 142, 143, 154, 155, 175, 182, 217, 220, 260, 275, 284, 286, 308, 310, 325, 341, 350, 355, 364, 385, 403, 434, 455, 497, 550, 572, 620, 650, 682, 700, 710, 715, 770, 775, 781, 806, 868, 910, 923, 994, 1001, 1085, 1100, 1300, 1364, 1420, 1430, 1540, 1550, 1562, 1612, 1705, 1775, 1820, 1846, 1925, 1988, 2002, 2015, 2170, 2201, 2275, 2387, 2485, 2821, 2860, 3100, 3124, 3410, 3550, 3575, 3692, 3850, 3905, 4004, 4030, 4340, 4402, 4433, 4550, 4615, 4774, 4970, 5005, 5425, 5467, 5642, 6461, 6820, 7100, 7150, 7700, 7810, 8060, 8525, 8804, 8866, 9100, 9230, 9548, 9940, 10010, 10075, 10153, 10850, 10934, 11005, 11284, 11935, 12425, 12922, 14105, 14300, 15407, 15620, 17050, 17732, 18460, 19525, 20020, 20150, 20306, 21700, 21868, 22010, 22165, 23075, 23870, 24211, 24850, 25025, 25844, 27335, 28210, 28613, 30814, 31031, 32305, 34100, 39050, 40300, 40612, 44020, 44330, 46150, 47740, 48422, 49700, 50050, 50765, 54670, 55025, 56420, 57226, 59675, 61628, 62062, 64610, 70525, 71071, 77035, 78100, 88660, 92300, 96844, 100100, 101530, 109340, 110050, 110825, 114452, 119350, 121055, 124124, 129220, 136675, 141050, 142142, 143065, 154070, 155155, 161525, 169477, 200291, 203060, 220100, 221650, 238700, 242110, 253825, 273350, 282100, 284284, 286130, 308140, 310310, 314743, 323050, 338954, 355355, 385175, 400582, 443300, 484220, 507650, 546700, 572260, 605275, 620620, 629486, 646100, 677908, 710710, 715325, 770350, 775775, 801164, 847385, 1001455, 1015300, 1210550, 1258972, 1421420, 1430650, 1540700, 1551550, 1573715, 1694770, 1776775, 2002910, 2203201, 2421100, 2861300, 3103100, 3147430, 3389540, 3553550, 4005820, 4236925, 4406402, 5007275, 6294860, 7107100, 7868575, 8473850, 8812804, 10014550, 11016005, 15737150, 16947700, 20029100, 22032010, 31474300, 44064020, 55080025, 110160050, 220320100]

約数ペア:

[(1, 220320100), (2, 110160050), (4, 55080025), (5, 44064020), (7, 31474300), (10, 22032010), (11, 20029100), (13, 16947700), (14, 15737150), (20, 11016005), (22, 10014550), (25, 8812804), (26, 8473850), (28, 7868575), (31, 7107100), (35, 6294860), (44, 5007275), (50, 4406402), (52, 4236925), (55, 4005820), (62, 3553550), (65, 3389540), (70, 3147430), (71, 3103100), (77, 2861300), (91, 2421100), (100, 2203201), (110, 2002910), (124, 1776775), (130, 1694770), (140, 1573715), (142, 1551550), (143, 1540700), (154, 1430650), (155, 1421420), (175, 1258972), (182, 1210550), (217, 1015300), (220, 1001455), (260, 847385), (275, 801164), (284, 775775), (286, 770350), (308, 715325), (310, 710710), (325, 677908), (341, 646100), (350, 629486), (355, 620620), (364, 605275), (385, 572260), (403, 546700), (434, 507650), (455, 484220), (497, 443300), (550, 400582), (572, 385175), (620, 355355), (650, 338954), (682, 323050), (700, 314743), (710, 310310), (715, 308140), (770, 286130), (775, 284284), (781, 282100), (806, 273350), (868, 253825), (910, 242110), (923, 238700), (994, 221650), (1001, 220100), (1085, 203060), (1100, 200291), (1300, 169477), (1364, 161525), (1420, 155155), (1430, 154070), (1540, 143065), (1550, 142142), (1562, 141050), (1612, 136675), (1705, 129220), (1775, 124124), (1820, 121055), (1846, 119350), (1925, 114452), (1988, 110825), (2002, 110050), (2015, 109340), (2170, 101530), (2201, 100100), (2275, 96844), (2387, 92300), (2485, 88660), (2821, 78100), (2860, 77035), (3100, 71071), (3124, 70525), (3410, 64610), (3550, 62062), (3575, 61628), (3692, 59675), (3850, 57226), (3905, 56420), (4004, 55025), (4030, 54670), (4340, 50765), (4402, 50050), (4433, 49700), (4550, 48422), (4615, 47740), (4774, 46150), (4970, 44330), (5005, 44020), (5425, 40612), (5467, 40300), (5642, 39050), (6461, 34100), (6820, 32305), (7100, 31031), (7150, 30814), (7700, 28613), (7810, 28210), (8060, 27335), (8525, 25844), (8804, 25025), (8866, 24850), (9100, 24211), (9230, 23870), (9548, 23075), (9940, 22165), (10010, 22010), (10075, 21868), (10153, 21700), (10850, 20306), (10934, 20150), (11005, 20020), (11284, 19525), (11935, 18460), (12425, 17732), (12922, 17050), (14105, 15620), (14300, 15407)]