220171250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{797}}^1$

素因数の和:849

約数の個数: 80

約数和(自身を含む): 471167928

約数和(自身を除く): 250996678

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 125, 130, 170, 221, 250, 325, 425, 442, 625, 650, 797, 850, 1105, 1250, 1594, 1625, 2125, 2210, 3250, 3985, 4250, 5525, 7970, 8125, 10361, 10625, 11050, 13549, 16250, 19925, 20722, 21250, 27098, 27625, 39850, 51805, 55250, 67745, 99625, 103610, 135490, 138125, 176137, 199250, 259025, 276250, 338725, 352274, 498125, 518050, 677450, 880685, 996250, 1295125, 1693625, 1761370, 2590250, 3387250, 4403425, 6475625, 8468125, 8806850, 12951250, 16936250, 22017125, 44034250, 110085625, 220171250]

約数ペア:

[(1, 220171250), (2, 110085625), (5, 44034250), (10, 22017125), (13, 16936250), (17, 12951250), (25, 8806850), (26, 8468125), (34, 6475625), (50, 4403425), (65, 3387250), (85, 2590250), (125, 1761370), (130, 1693625), (170, 1295125), (221, 996250), (250, 880685), (325, 677450), (425, 518050), (442, 498125), (625, 352274), (650, 338725), (797, 276250), (850, 259025), (1105, 199250), (1250, 176137), (1594, 138125), (1625, 135490), (2125, 103610), (2210, 99625), (3250, 67745), (3985, 55250), (4250, 51805), (5525, 39850), (7970, 27625), (8125, 27098), (10361, 21250), (10625, 20722), (11050, 19925), (13549, 16250)]