201647380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{2539}}^1$

素因数の和:2597

約数の個数: 72

約数和(自身を含む): 487740960

約数和(自身を除く): 286093580

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 361, 380, 418, 722, 836, 1045, 1444, 1805, 2090, 2539, 3610, 3971, 4180, 5078, 7220, 7942, 10156, 12695, 15884, 19855, 25390, 27929, 39710, 48241, 50780, 55858, 79420, 96482, 111716, 139645, 192964, 241205, 279290, 482410, 530651, 558580, 916579, 964820, 1061302, 1833158, 2122604, 2653255, 3666316, 4582895, 5306510, 9165790, 10082369, 10613020, 18331580, 20164738, 40329476, 50411845, 100823690, 201647380]

約数ペア:

[(1, 201647380), (2, 100823690), (4, 50411845), (5, 40329476), (10, 20164738), (11, 18331580), (19, 10613020), (20, 10082369), (22, 9165790), (38, 5306510), (44, 4582895), (55, 3666316), (76, 2653255), (95, 2122604), (110, 1833158), (190, 1061302), (209, 964820), (220, 916579), (361, 558580), (380, 530651), (418, 482410), (722, 279290), (836, 241205), (1045, 192964), (1444, 139645), (1805, 111716), (2090, 96482), (2539, 79420), (3610, 55858), (3971, 50780), (4180, 48241), (5078, 39710), (7220, 27929), (7942, 25390), (10156, 19855), (12695, 15884)]