71507900

素因数分解:

$2^2\times 5^2\times {\mathrm{211}}^1\times {\mathrm{3389}}^1$

素因数の和:3614

約数の個数: 36

約数和(自身を含む): 155953560

約数和(自身を除く): 84445660

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 211, 422, 844, 1055, 2110, 3389, 4220, 5275, 6778, 10550, 13556, 16945, 21100, 33890, 67780, 84725, 169450, 338900, 715079, 1430158, 2860316, 3575395, 7150790, 14301580, 17876975, 35753950, 71507900]

約数ペア:

[(1, 71507900), (2, 35753950), (4, 17876975), (5, 14301580), (10, 7150790), (20, 3575395), (25, 2860316), (50, 1430158), (100, 715079), (211, 338900), (422, 169450), (844, 84725), (1055, 67780), (2110, 33890), (3389, 21100), (4220, 16945), (5275, 13556), (6778, 10550)]