834785960

素因数分解:

$2^3\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{16981}}^1$

素因数の和:18221

約数の個数: 32

約数和(自身を含む): 1879907400

約数和(自身を除く): 1045121440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1229, 2458, 4916, 6145, 9832, 12290, 16981, 24580, 33962, 49160, 67924, 84905, 135848, 169810, 339620, 679240, 20869649, 41739298, 83478596, 104348245, 166957192, 208696490, 417392980, 834785960]

約数ペア:

[(1, 834785960), (2, 417392980), (4, 208696490), (5, 166957192), (8, 104348245), (10, 83478596), (20, 41739298), (40, 20869649), (1229, 679240), (2458, 339620), (4916, 169810), (6145, 135848), (9832, 84905), (12290, 67924), (16981, 49160), (24580, 33962)]