72172700

素因数分解:

$2^2\times 5^2\times {\mathrm{269}}^1\times {\mathrm{2683}}^1$

素因数の和:2966

約数の個数: 36

約数和(自身を含む): 157255560

約数和(自身を除く): 85082860

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 269, 538, 1076, 1345, 2683, 2690, 5366, 5380, 6725, 10732, 13415, 13450, 26830, 26900, 53660, 67075, 134150, 268300, 721727, 1443454, 2886908, 3608635, 7217270, 14434540, 18043175, 36086350, 72172700]

約数ペア:

[(1, 72172700), (2, 36086350), (4, 18043175), (5, 14434540), (10, 7217270), (20, 3608635), (25, 2886908), (50, 1443454), (100, 721727), (269, 268300), (538, 134150), (1076, 67075), (1345, 53660), (2683, 26900), (2690, 26830), (5366, 13450), (5380, 13415), (6725, 10732)]