413987620

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1\times {\mathrm{587}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 880165440

約数和(自身を除く): 466177820

約数列:

[1, 2, 4, 5, 10, 20, 179, 197, 358, 394, 587, 716, 788, 895, 985, 1174, 1790, 1970, 2348, 2935, 3580, 3940, 5870, 11740, 35263, 70526, 105073, 115639, 141052, 176315, 210146, 231278, 352630, 420292, 462556, 525365, 578195, 705260, 1050730, 1156390, 2101460, 2312780, 20699381, 41398762, 82797524, 103496905, 206993810, 413987620]

約数ペア:

[(1, 413987620), (2, 206993810), (4, 103496905), (5, 82797524), (10, 41398762), (20, 20699381), (179, 2312780), (197, 2101460), (358, 1156390), (394, 1050730), (587, 705260), (716, 578195), (788, 525365), (895, 462556), (985, 420292), (1174, 352630), (1790, 231278), (1970, 210146), (2348, 176315), (2935, 141052), (3580, 115639), (3940, 105073), (5870, 70526), (11740, 35263)]