442183820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{787}}^1\times {\mathrm{2161}}^1$

素因数の和:2970

約数の個数: 48

約数和(自身を含む): 1001749728

約数和(自身を除く): 559565908

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 787, 1574, 2161, 3148, 3935, 4322, 7870, 8644, 10231, 10805, 15740, 20462, 21610, 28093, 40924, 43220, 51155, 56186, 102310, 112372, 140465, 204620, 280930, 561860, 1700707, 3401414, 6802828, 8503535, 17007070, 22109191, 34014140, 44218382, 88436764, 110545955, 221091910, 442183820]

約数ペア:

[(1, 442183820), (2, 221091910), (4, 110545955), (5, 88436764), (10, 44218382), (13, 34014140), (20, 22109191), (26, 17007070), (52, 8503535), (65, 6802828), (130, 3401414), (260, 1700707), (787, 561860), (1574, 280930), (2161, 204620), (3148, 140465), (3935, 112372), (4322, 102310), (7870, 56186), (8644, 51155), (10231, 43220), (10805, 40924), (15740, 28093), (20462, 21610)]