28863700

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 66792600

約数和(自身を除く): 37928900

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 37, 50, 58, 74, 100, 116, 145, 148, 185, 269, 290, 370, 538, 580, 725, 740, 925, 1073, 1076, 1345, 1450, 1850, 2146, 2690, 2900, 3700, 4292, 5365, 5380, 6725, 7801, 9953, 10730, 13450, 15602, 19906, 21460, 26825, 26900, 31204, 39005, 39812, 49765, 53650, 78010, 99530, 107300, 156020, 195025, 199060, 248825, 288637, 390050, 497650, 577274, 780100, 995300, 1154548, 1443185, 2886370, 5772740, 7215925, 14431850, 28863700]

約数ペア:

[(1, 28863700), (2, 14431850), (4, 7215925), (5, 5772740), (10, 2886370), (20, 1443185), (25, 1154548), (29, 995300), (37, 780100), (50, 577274), (58, 497650), (74, 390050), (100, 288637), (116, 248825), (145, 199060), (148, 195025), (185, 156020), (269, 107300), (290, 99530), (370, 78010), (538, 53650), (580, 49765), (725, 39812), (740, 39005), (925, 31204), (1073, 26900), (1076, 26825), (1345, 21460), (1450, 19906), (1850, 15602), (2146, 13450), (2690, 10730), (2900, 9953), (3700, 7801), (4292, 6725), (5365, 5380)]