78178100

素因数分解:

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

素因数の和:127

約数の個数: 216

約数和(自身を含む): 232735104

約数和(自身を除く): 154557004

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 25, 26, 28, 35, 44, 50, 52, 55, 65, 70, 71, 77, 91, 100, 110, 121, 130, 140, 142, 143, 154, 175, 182, 220, 242, 260, 275, 284, 286, 308, 325, 350, 355, 364, 385, 455, 484, 497, 550, 572, 605, 650, 700, 710, 715, 770, 781, 847, 910, 923, 994, 1001, 1100, 1210, 1300, 1420, 1430, 1540, 1562, 1573, 1694, 1775, 1820, 1846, 1925, 1988, 2002, 2275, 2420, 2485, 2860, 3025, 3124, 3146, 3388, 3550, 3575, 3692, 3850, 3905, 4004, 4235, 4550, 4615, 4970, 5005, 5467, 6050, 6292, 6461, 7100, 7150, 7700, 7810, 7865, 8470, 8591, 9100, 9230, 9940, 10010, 10153, 10934, 11011, 12100, 12425, 12922, 14300, 15620, 15730, 16940, 17182, 18460, 19525, 20020, 20306, 21175, 21868, 22022, 23075, 24850, 25025, 25844, 27335, 31460, 32305, 34364, 39050, 39325, 40612, 42350, 42955, 44044, 46150, 49700, 50050, 50765, 54670, 55055, 60137, 64610, 71071, 78100, 78650, 84700, 85910, 92300, 100100, 101530, 109340, 110110, 111683, 120274, 129220, 136675, 142142, 157300, 161525, 171820, 203060, 214775, 220220, 223366, 240548, 253825, 273350, 275275, 284284, 300685, 323050, 355355, 429550, 446732, 507650, 546700, 550550, 558415, 601370, 646100, 710710, 781781, 859100, 1015300, 1101100, 1116830, 1202740, 1421420, 1503425, 1563562, 1776775, 2233660, 2792075, 3006850, 3127124, 3553550, 3908905, 5584150, 6013700, 7107100, 7817810, 11168300, 15635620, 19544525, 39089050, 78178100]

約数ペア:

[(1, 78178100), (2, 39089050), (4, 19544525), (5, 15635620), (7, 11168300), (10, 7817810), (11, 7107100), (13, 6013700), (14, 5584150), (20, 3908905), (22, 3553550), (25, 3127124), (26, 3006850), (28, 2792075), (35, 2233660), (44, 1776775), (50, 1563562), (52, 1503425), (55, 1421420), (65, 1202740), (70, 1116830), (71, 1101100), (77, 1015300), (91, 859100), (100, 781781), (110, 710710), (121, 646100), (130, 601370), (140, 558415), (142, 550550), (143, 546700), (154, 507650), (175, 446732), (182, 429550), (220, 355355), (242, 323050), (260, 300685), (275, 284284), (284, 275275), (286, 273350), (308, 253825), (325, 240548), (350, 223366), (355, 220220), (364, 214775), (385, 203060), (455, 171820), (484, 161525), (497, 157300), (550, 142142), (572, 136675), (605, 129220), (650, 120274), (700, 111683), (710, 110110), (715, 109340), (770, 101530), (781, 100100), (847, 92300), (910, 85910), (923, 84700), (994, 78650), (1001, 78100), (1100, 71071), (1210, 64610), (1300, 60137), (1420, 55055), (1430, 54670), (1540, 50765), (1562, 50050), (1573, 49700), (1694, 46150), (1775, 44044), (1820, 42955), (1846, 42350), (1925, 40612), (1988, 39325), (2002, 39050), (2275, 34364), (2420, 32305), (2485, 31460), (2860, 27335), (3025, 25844), (3124, 25025), (3146, 24850), (3388, 23075), (3550, 22022), (3575, 21868), (3692, 21175), (3850, 20306), (3905, 20020), (4004, 19525), (4235, 18460), (4550, 17182), (4615, 16940), (4970, 15730), (5005, 15620), (5467, 14300), (6050, 12922), (6292, 12425), (6461, 12100), (7100, 11011), (7150, 10934), (7700, 10153), (7810, 10010), (7865, 9940), (8470, 9230), (8591, 9100)]