884897140

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^2\times {\mathrm{131}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 1927560096

約数和(自身を除く): 1042662956

約数列:

[1, 2, 4, 5, 10, 20, 67, 71, 131, 134, 142, 262, 268, 284, 335, 355, 524, 655, 670, 710, 1310, 1340, 1420, 2620, 4757, 5041, 8777, 9301, 9514, 10082, 17554, 18602, 19028, 20164, 23785, 25205, 35108, 37204, 43885, 46505, 47570, 50410, 87770, 93010, 95140, 100820, 175540, 186020, 337747, 623167, 660371, 675494, 1246334, 1320742, 1350988, 1688735, 2492668, 2641484, 3115835, 3301855, 3377470, 6231670, 6603710, 6754940, 12463340, 13207420, 44244857, 88489714, 176979428, 221224285, 442448570, 884897140]

約数ペア:

[(1, 884897140), (2, 442448570), (4, 221224285), (5, 176979428), (10, 88489714), (20, 44244857), (67, 13207420), (71, 12463340), (131, 6754940), (134, 6603710), (142, 6231670), (262, 3377470), (268, 3301855), (284, 3115835), (335, 2641484), (355, 2492668), (524, 1688735), (655, 1350988), (670, 1320742), (710, 1246334), (1310, 675494), (1340, 660371), (1420, 623167), (2620, 337747), (4757, 186020), (5041, 175540), (8777, 100820), (9301, 95140), (9514, 93010), (10082, 87770), (17554, 50410), (18602, 47570), (19028, 46505), (20164, 43885), (23785, 37204), (25205, 35108)]