619720660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:721

約数の個数: 96

約数和(自身を含む): 1447891200

約数和(自身を除く): 828170540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 71, 118, 130, 142, 236, 260, 284, 295, 355, 569, 590, 710, 767, 923, 1138, 1180, 1420, 1534, 1846, 2276, 2845, 3068, 3692, 3835, 4189, 4615, 5690, 7397, 7670, 8378, 9230, 11380, 14794, 15340, 16756, 18460, 20945, 29588, 33571, 36985, 40399, 41890, 54457, 67142, 73970, 80798, 83780, 108914, 134284, 147940, 161596, 167855, 201995, 217828, 272285, 335710, 403990, 436423, 525187, 544570, 671420, 807980, 872846, 1050374, 1089140, 1745692, 2100748, 2182115, 2383541, 2625935, 4364230, 4767082, 5251870, 8728460, 9534164, 10503740, 11917705, 23835410, 30986033, 47670820, 61972066, 123944132, 154930165, 309860330, 619720660]

約数ペア:

[(1, 619720660), (2, 309860330), (4, 154930165), (5, 123944132), (10, 61972066), (13, 47670820), (20, 30986033), (26, 23835410), (52, 11917705), (59, 10503740), (65, 9534164), (71, 8728460), (118, 5251870), (130, 4767082), (142, 4364230), (236, 2625935), (260, 2383541), (284, 2182115), (295, 2100748), (355, 1745692), (569, 1089140), (590, 1050374), (710, 872846), (767, 807980), (923, 671420), (1138, 544570), (1180, 525187), (1420, 436423), (1534, 403990), (1846, 335710), (2276, 272285), (2845, 217828), (3068, 201995), (3692, 167855), (3835, 161596), (4189, 147940), (4615, 134284), (5690, 108914), (7397, 83780), (7670, 80798), (8378, 73970), (9230, 67142), (11380, 54457), (14794, 41890), (15340, 40399), (16756, 36985), (18460, 33571), (20945, 29588)]