1819960

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{263}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 4134240

約数和(自身を除く): 2314280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 263, 346, 526, 692, 865, 1052, 1315, 1384, 1730, 2104, 2630, 3460, 5260, 6920, 10520, 45499, 90998, 181996, 227495, 363992, 454990, 909980, 1819960]

約数ペア:

[(1, 1819960), (2, 909980), (4, 454990), (5, 363992), (8, 227495), (10, 181996), (20, 90998), (40, 45499), (173, 10520), (263, 6920), (346, 5260), (526, 3460), (692, 2630), (865, 2104), (1052, 1730), (1315, 1384)]