403721540

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1\times {\mathrm{1381}}^1$

素因数の和:1748

約数の個数: 48

約数和(自身を含む): 869266944

約数和(自身を除く): 465545404

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 311, 470, 622, 940, 1244, 1381, 1555, 2762, 3110, 5524, 6220, 6905, 13810, 14617, 27620, 29234, 58468, 64907, 73085, 129814, 146170, 259628, 292340, 324535, 429491, 649070, 858982, 1298140, 1717964, 2147455, 4294910, 8589820, 20186077, 40372154, 80744308, 100930385, 201860770, 403721540]

約数ペア:

[(1, 403721540), (2, 201860770), (4, 100930385), (5, 80744308), (10, 40372154), (20, 20186077), (47, 8589820), (94, 4294910), (188, 2147455), (235, 1717964), (311, 1298140), (470, 858982), (622, 649070), (940, 429491), (1244, 324535), (1381, 292340), (1555, 259628), (2762, 146170), (3110, 129814), (5524, 73085), (6220, 64907), (6905, 58468), (13810, 29234), (14617, 27620)]