814389620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{19381}}^1$

素因数の和:19592

約数の個数: 48

約数和(自身を含む): 1875557376

約数和(自身を除く): 1061167756

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 191, 220, 382, 764, 955, 1910, 2101, 3820, 4202, 8404, 10505, 19381, 21010, 38762, 42020, 77524, 96905, 193810, 213191, 387620, 426382, 852764, 1065955, 2131910, 3701771, 4263820, 7403542, 14807084, 18508855, 37017710, 40719481, 74035420, 81438962, 162877924, 203597405, 407194810, 814389620]

約数ペア:

[(1, 814389620), (2, 407194810), (4, 203597405), (5, 162877924), (10, 81438962), (11, 74035420), (20, 40719481), (22, 37017710), (44, 18508855), (55, 14807084), (110, 7403542), (191, 4263820), (220, 3701771), (382, 2131910), (764, 1065955), (955, 852764), (1910, 426382), (2101, 387620), (3820, 213191), (4202, 193810), (8404, 96905), (10505, 77524), (19381, 42020), (21010, 38762)]