988840

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{419}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 2268000

約数和(自身を除く): 1279160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 419, 472, 590, 838, 1180, 1676, 2095, 2360, 3352, 4190, 8380, 16760, 24721, 49442, 98884, 123605, 197768, 247210, 494420, 988840]

約数ペア:

[(1, 988840), (2, 494420), (4, 247210), (5, 197768), (8, 123605), (10, 98884), (20, 49442), (40, 24721), (59, 16760), (118, 8380), (236, 4190), (295, 3352), (419, 2360), (472, 2095), (590, 1676), (838, 1180)]