164421800

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{11579}}^1$

素因数の和:11666

約数の個数: 48

約数和(自身を含む): 387698400

約数和(自身を除く): 223276600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 1420, 1775, 2840, 3550, 7100, 11579, 14200, 23158, 46316, 57895, 92632, 115790, 231580, 289475, 463160, 578950, 822109, 1157900, 1644218, 2315800, 3288436, 4110545, 6576872, 8221090, 16442180, 20552725, 32884360, 41105450, 82210900, 164421800]

約数ペア:

[(1, 164421800), (2, 82210900), (4, 41105450), (5, 32884360), (8, 20552725), (10, 16442180), (20, 8221090), (25, 6576872), (40, 4110545), (50, 3288436), (71, 2315800), (100, 1644218), (142, 1157900), (200, 822109), (284, 578950), (355, 463160), (568, 289475), (710, 231580), (1420, 115790), (1775, 92632), (2840, 57895), (3550, 46316), (7100, 23158), (11579, 14200)]