1986594625

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 2645330688

約数和(自身を除く): 658736063

約数列:

[1, 5, 25, 43, 61, 73, 83, 125, 215, 305, 365, 415, 1075, 1525, 1825, 2075, 2623, 3139, 3569, 4453, 5063, 5375, 6059, 7625, 9125, 10375, 13115, 15695, 17845, 22265, 25315, 30295, 65575, 78475, 89225, 111325, 126575, 151475, 191479, 217709, 260537, 327875, 369599, 392375, 446125, 556625, 632875, 757375, 957395, 1088545, 1302685, 1847995, 4786975, 5442725, 6513425, 9239975, 15892757, 23934875, 27213625, 32567125, 46199875, 79463785, 397318925, 1986594625]

約数ペア:

[(1, 1986594625), (5, 397318925), (25, 79463785), (43, 46199875), (61, 32567125), (73, 27213625), (83, 23934875), (125, 15892757), (215, 9239975), (305, 6513425), (365, 5442725), (415, 4786975), (1075, 1847995), (1525, 1302685), (1825, 1088545), (2075, 957395), (2623, 757375), (3139, 632875), (3569, 556625), (4453, 446125), (5063, 392375), (5375, 369599), (6059, 327875), (7625, 260537), (9125, 217709), (10375, 191479), (13115, 151475), (15695, 126575), (17845, 111325), (22265, 89225), (25315, 78475), (30295, 65575)]