31474300

素因数分解:

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

素因数の和:140

約数の個数: 144

約数和(自身を含む): 83994624

約数和(自身を除く): 52520324

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 31, 44, 50, 52, 55, 62, 65, 71, 100, 110, 124, 130, 142, 143, 155, 220, 260, 275, 284, 286, 310, 325, 341, 355, 403, 550, 572, 620, 650, 682, 710, 715, 775, 781, 806, 923, 1100, 1300, 1364, 1420, 1430, 1550, 1562, 1612, 1705, 1775, 1846, 2015, 2201, 2860, 3100, 3124, 3410, 3550, 3575, 3692, 3905, 4030, 4402, 4433, 4615, 6820, 7100, 7150, 7810, 8060, 8525, 8804, 8866, 9230, 10075, 10153, 11005, 14300, 15620, 17050, 17732, 18460, 19525, 20150, 20306, 22010, 22165, 23075, 24211, 28613, 34100, 39050, 40300, 40612, 44020, 44330, 46150, 48422, 50765, 55025, 57226, 78100, 88660, 92300, 96844, 101530, 110050, 110825, 114452, 121055, 143065, 203060, 220100, 221650, 242110, 253825, 286130, 314743, 443300, 484220, 507650, 572260, 605275, 629486, 715325, 1015300, 1210550, 1258972, 1430650, 1573715, 2421100, 2861300, 3147430, 6294860, 7868575, 15737150, 31474300]

約数ペア:

[(1, 31474300), (2, 15737150), (4, 7868575), (5, 6294860), (10, 3147430), (11, 2861300), (13, 2421100), (20, 1573715), (22, 1430650), (25, 1258972), (26, 1210550), (31, 1015300), (44, 715325), (50, 629486), (52, 605275), (55, 572260), (62, 507650), (65, 484220), (71, 443300), (100, 314743), (110, 286130), (124, 253825), (130, 242110), (142, 221650), (143, 220100), (155, 203060), (220, 143065), (260, 121055), (275, 114452), (284, 110825), (286, 110050), (310, 101530), (325, 96844), (341, 92300), (355, 88660), (403, 78100), (550, 57226), (572, 55025), (620, 50765), (650, 48422), (682, 46150), (710, 44330), (715, 44020), (775, 40612), (781, 40300), (806, 39050), (923, 34100), (1100, 28613), (1300, 24211), (1364, 23075), (1420, 22165), (1430, 22010), (1550, 20306), (1562, 20150), (1612, 19525), (1705, 18460), (1775, 17732), (1846, 17050), (2015, 15620), (2201, 14300), (2860, 11005), (3100, 10153), (3124, 10075), (3410, 9230), (3550, 8866), (3575, 8804), (3692, 8525), (3905, 8060), (4030, 7810), (4402, 7150), (4433, 7100), (4615, 6820)]