7000215100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{911}}^1\times {\mathrm{1787}}^1$

素因数の和:2755

約数の個数: 72

約数和(自身を含む): 15569503488

約数和(自身を除く): 8569288388

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 911, 1075, 1787, 1822, 2150, 3574, 3644, 4300, 4555, 7148, 8935, 9110, 17870, 18220, 22775, 35740, 39173, 44675, 45550, 76841, 78346, 89350, 91100, 153682, 156692, 178700, 195865, 307364, 384205, 391730, 768410, 783460, 979325, 1536820, 1627957, 1921025, 1958650, 3255914, 3842050, 3917300, 6511828, 7684100, 8139785, 16279570, 32559140, 40698925, 70002151, 81397850, 140004302, 162795700, 280008604, 350010755, 700021510, 1400043020, 1750053775, 3500107550, 7000215100]

約数ペア:

[(1, 7000215100), (2, 3500107550), (4, 1750053775), (5, 1400043020), (10, 700021510), (20, 350010755), (25, 280008604), (43, 162795700), (50, 140004302), (86, 81397850), (100, 70002151), (172, 40698925), (215, 32559140), (430, 16279570), (860, 8139785), (911, 7684100), (1075, 6511828), (1787, 3917300), (1822, 3842050), (2150, 3255914), (3574, 1958650), (3644, 1921025), (4300, 1627957), (4555, 1536820), (7148, 979325), (8935, 783460), (9110, 768410), (17870, 391730), (18220, 384205), (22775, 307364), (35740, 195865), (39173, 178700), (44675, 156692), (45550, 153682), (76841, 91100), (78346, 89350)]