2177709160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{69709}}^1$

素因数の和:69802

約数の個数: 64

約数和(自身を含む): 5420649600

約数和(自身を除く): 3242940440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 781, 1420, 1562, 2840, 3124, 3905, 6248, 7810, 15620, 31240, 69709, 139418, 278836, 348545, 557672, 697090, 766799, 1394180, 1533598, 2788360, 3067196, 3833995, 4949339, 6134392, 7667990, 9898678, 15335980, 19797356, 24746695, 30671960, 39594712, 49493390, 54442729, 98986780, 108885458, 197973560, 217770916, 272213645, 435541832, 544427290, 1088854580, 2177709160]

約数ペア:

[(1, 2177709160), (2, 1088854580), (4, 544427290), (5, 435541832), (8, 272213645), (10, 217770916), (11, 197973560), (20, 108885458), (22, 98986780), (40, 54442729), (44, 49493390), (55, 39594712), (71, 30671960), (88, 24746695), (110, 19797356), (142, 15335980), (220, 9898678), (284, 7667990), (355, 6134392), (440, 4949339), (568, 3833995), (710, 3067196), (781, 2788360), (1420, 1533598), (1562, 1394180), (2840, 766799), (3124, 697090), (3905, 557672), (6248, 348545), (7810, 278836), (15620, 139418), (31240, 69709)]