31391900

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{5923}}^1$

素因数の和:5990

約数の個数: 36

約数和(自身を含む): 69417432

約数和(自身を除く): 38025532

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 212, 265, 530, 1060, 1325, 2650, 5300, 5923, 11846, 23692, 29615, 59230, 118460, 148075, 296150, 313919, 592300, 627838, 1255676, 1569595, 3139190, 6278380, 7847975, 15695950, 31391900]

約数ペア:

[(1, 31391900), (2, 15695950), (4, 7847975), (5, 6278380), (10, 3139190), (20, 1569595), (25, 1255676), (50, 627838), (53, 592300), (100, 313919), (106, 296150), (212, 148075), (265, 118460), (530, 59230), (1060, 29615), (1325, 23692), (2650, 11846), (5300, 5923)]