390017375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{9781}}^1$

素因数の和:9836

約数の個数: 32

約数和(自身を含む): 549357120

約数和(自身を除く): 159339745

約数列:

[1, 5, 11, 25, 29, 55, 125, 145, 275, 319, 725, 1375, 1595, 3625, 7975, 9781, 39875, 48905, 107591, 244525, 283649, 537955, 1222625, 1418245, 2689775, 3120139, 7091225, 13448875, 15600695, 35456125, 78003475, 390017375]

約数ペア:

[(1, 390017375), (5, 78003475), (11, 35456125), (25, 15600695), (29, 13448875), (55, 7091225), (125, 3120139), (145, 2689775), (275, 1418245), (319, 1222625), (725, 537955), (1375, 283649), (1595, 244525), (3625, 107591), (7975, 48905), (9781, 39875)]