647130250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2399}}^1$

素因数の和:2512

約数の個数: 64

約数和(自身を含む): 1320883200

約数和(自身を除く): 673752950

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 83, 125, 130, 166, 250, 325, 415, 650, 830, 1079, 1625, 2075, 2158, 2399, 3250, 4150, 4798, 5395, 10375, 10790, 11995, 20750, 23990, 26975, 31187, 53950, 59975, 62374, 119950, 134875, 155935, 199117, 269750, 299875, 311870, 398234, 599750, 779675, 995585, 1559350, 1991170, 2588521, 3898375, 4977925, 5177042, 7796750, 9955850, 12942605, 24889625, 25885210, 49779250, 64713025, 129426050, 323565125, 647130250]

約数ペア:

[(1, 647130250), (2, 323565125), (5, 129426050), (10, 64713025), (13, 49779250), (25, 25885210), (26, 24889625), (50, 12942605), (65, 9955850), (83, 7796750), (125, 5177042), (130, 4977925), (166, 3898375), (250, 2588521), (325, 1991170), (415, 1559350), (650, 995585), (830, 779675), (1079, 599750), (1625, 398234), (2075, 311870), (2158, 299875), (2399, 269750), (3250, 199117), (4150, 155935), (4798, 134875), (5395, 119950), (10375, 62374), (10790, 59975), (11995, 53950), (20750, 31187), (23990, 26975)]