31639460

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{347}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 68753664

約数和(自身を除く): 37114204

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 97, 188, 194, 235, 347, 388, 470, 485, 694, 940, 970, 1388, 1735, 1940, 3470, 4559, 6940, 9118, 16309, 18236, 22795, 32618, 33659, 45590, 65236, 67318, 81545, 91180, 134636, 163090, 168295, 326180, 336590, 673180, 1581973, 3163946, 6327892, 7909865, 15819730, 31639460]

約数ペア:

[(1, 31639460), (2, 15819730), (4, 7909865), (5, 6327892), (10, 3163946), (20, 1581973), (47, 673180), (94, 336590), (97, 326180), (188, 168295), (194, 163090), (235, 134636), (347, 91180), (388, 81545), (470, 67318), (485, 65236), (694, 45590), (940, 33659), (970, 32618), (1388, 22795), (1735, 18236), (1940, 16309), (3470, 9118), (4559, 6940)]