162438340

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1\times {\mathrm{277}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 346777200

約数和(自身を除く): 184338860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 269, 277, 436, 538, 545, 554, 1076, 1090, 1108, 1345, 1385, 2180, 2690, 2770, 5380, 5540, 29321, 30193, 58642, 60386, 74513, 117284, 120772, 146605, 149026, 150965, 293210, 298052, 301930, 372565, 586420, 603860, 745130, 1490260, 8121917, 16243834, 32487668, 40609585, 81219170, 162438340]

約数ペア:

[(1, 162438340), (2, 81219170), (4, 40609585), (5, 32487668), (10, 16243834), (20, 8121917), (109, 1490260), (218, 745130), (269, 603860), (277, 586420), (436, 372565), (538, 301930), (545, 298052), (554, 293210), (1076, 150965), (1090, 149026), (1108, 146605), (1345, 120772), (1385, 117284), (2180, 74513), (2690, 60386), (2770, 58642), (5380, 30193), (5540, 29321)]