2057974780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{9623}}^1$

素因数の和:9703

約数の個数: 72

約数和(自身を含む): 4715490528

約数和(自身を除く): 2657515748

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 289, 340, 370, 578, 629, 740, 1156, 1258, 1445, 2516, 2890, 3145, 5780, 6290, 9623, 10693, 12580, 19246, 21386, 38492, 42772, 48115, 53465, 96230, 106930, 163591, 192460, 213860, 327182, 356051, 654364, 712102, 817955, 1424204, 1635910, 1780255, 2781047, 3271820, 3560510, 5562094, 6052867, 7121020, 11124188, 12105734, 13905235, 24211468, 27810470, 30264335, 55620940, 60528670, 102898739, 121057340, 205797478, 411594956, 514493695, 1028987390, 2057974780]

約数ペア:

[(1, 2057974780), (2, 1028987390), (4, 514493695), (5, 411594956), (10, 205797478), (17, 121057340), (20, 102898739), (34, 60528670), (37, 55620940), (68, 30264335), (74, 27810470), (85, 24211468), (148, 13905235), (170, 12105734), (185, 11124188), (289, 7121020), (340, 6052867), (370, 5562094), (578, 3560510), (629, 3271820), (740, 2781047), (1156, 1780255), (1258, 1635910), (1445, 1424204), (2516, 817955), (2890, 712102), (3145, 654364), (5780, 356051), (6290, 327182), (9623, 213860), (10693, 192460), (12580, 163591), (19246, 106930), (21386, 96230), (38492, 53465), (42772, 48115)]