400890744

素因数分解:

$2^3\times 3^2\times {\mathrm{521}}^1\times {\mathrm{10687}}^1$

素因数の和:11220

約数の個数: 48

約数和(自身を含む): 1087931520

約数和(自身を除く): 687040776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 521, 1042, 1563, 2084, 3126, 4168, 4689, 6252, 9378, 10687, 12504, 18756, 21374, 32061, 37512, 42748, 64122, 85496, 96183, 128244, 192366, 256488, 384732, 769464, 5567927, 11135854, 16703781, 22271708, 33407562, 44543416, 50111343, 66815124, 100222686, 133630248, 200445372, 400890744]

約数ペア:

[(1, 400890744), (2, 200445372), (3, 133630248), (4, 100222686), (6, 66815124), (8, 50111343), (9, 44543416), (12, 33407562), (18, 22271708), (24, 16703781), (36, 11135854), (72, 5567927), (521, 769464), (1042, 384732), (1563, 256488), (2084, 192366), (3126, 128244), (4168, 96183), (4689, 85496), (6252, 64122), (9378, 42748), (10687, 37512), (12504, 32061), (18756, 21374)]