403977340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{719}}^1\times {\mathrm{2161}}^1$

素因数の和:2902

約数の個数: 48

約数和(自身を含む): 915304320

約数和(自身を除く): 511326980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 719, 1438, 2161, 2876, 3595, 4322, 7190, 8644, 9347, 10805, 14380, 18694, 21610, 28093, 37388, 43220, 46735, 56186, 93470, 112372, 140465, 186940, 280930, 561860, 1553759, 3107518, 6215036, 7768795, 15537590, 20198867, 31075180, 40397734, 80795468, 100994335, 201988670, 403977340]

約数ペア:

[(1, 403977340), (2, 201988670), (4, 100994335), (5, 80795468), (10, 40397734), (13, 31075180), (20, 20198867), (26, 15537590), (52, 7768795), (65, 6215036), (130, 3107518), (260, 1553759), (719, 561860), (1438, 280930), (2161, 186940), (2876, 140465), (3595, 112372), (4322, 93470), (7190, 56186), (8644, 46735), (9347, 43220), (10805, 37388), (14380, 28093), (18694, 21610)]