220102840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4079}}^1$

素因数の和:4180

約数の個数: 64

約数和(自身を含む): 528768000

約数和(自身を除く): 308665160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1349, 1420, 2698, 2840, 4079, 5396, 6745, 8158, 10792, 13490, 16316, 20395, 26980, 32632, 40790, 53960, 77501, 81580, 155002, 163160, 289609, 310004, 387505, 579218, 620008, 775010, 1158436, 1448045, 1550020, 2316872, 2896090, 3100040, 5502571, 5792180, 11005142, 11584360, 22010284, 27512855, 44020568, 55025710, 110051420, 220102840]

約数ペア:

[(1, 220102840), (2, 110051420), (4, 55025710), (5, 44020568), (8, 27512855), (10, 22010284), (19, 11584360), (20, 11005142), (38, 5792180), (40, 5502571), (71, 3100040), (76, 2896090), (95, 2316872), (142, 1550020), (152, 1448045), (190, 1158436), (284, 775010), (355, 620008), (380, 579218), (568, 387505), (710, 310004), (760, 289609), (1349, 163160), (1420, 155002), (2698, 81580), (2840, 77501), (4079, 53960), (5396, 40790), (6745, 32632), (8158, 26980), (10792, 20395), (13490, 16316)]