281344492780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9479}}^1\times {\mathrm{114157}}^1$

素因数の和:123658

約数の個数: 48

約数和(自身を含む): 636344089920

約数和(自身を除く): 354999597140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 9479, 18958, 37916, 47395, 94790, 114157, 123227, 189580, 228314, 246454, 456628, 492908, 570785, 616135, 1141570, 1232270, 1484041, 2283140, 2464540, 2968082, 5936164, 7420205, 14840410, 29680820, 1082094203, 2164188406, 4328376812, 5410471015, 10820942030, 14067224639, 21641884060, 28134449278, 56268898556, 70336123195, 140672246390, 281344492780]

約数ペア:

[(1, 281344492780), (2, 140672246390), (4, 70336123195), (5, 56268898556), (10, 28134449278), (13, 21641884060), (20, 14067224639), (26, 10820942030), (52, 5410471015), (65, 4328376812), (130, 2164188406), (260, 1082094203), (9479, 29680820), (18958, 14840410), (37916, 7420205), (47395, 5936164), (94790, 2968082), (114157, 2464540), (123227, 2283140), (189580, 1484041), (228314, 1232270), (246454, 1141570), (456628, 616135), (492908, 570785)]