399883900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{10607}}^1$

素因数の和:10663

約数の個数: 72

約数和(自身を含む): 966813120

約数和(自身を除く): 566929220

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 29, 50, 52, 58, 65, 100, 116, 130, 145, 260, 290, 325, 377, 580, 650, 725, 754, 1300, 1450, 1508, 1885, 2900, 3770, 7540, 9425, 10607, 18850, 21214, 37700, 42428, 53035, 106070, 137891, 212140, 265175, 275782, 307603, 530350, 551564, 615206, 689455, 1060700, 1230412, 1378910, 1538015, 2757820, 3076030, 3447275, 3998839, 6152060, 6894550, 7690075, 7997678, 13789100, 15380150, 15995356, 19994195, 30760300, 39988390, 79976780, 99970975, 199941950, 399883900]

約数ペア:

[(1, 399883900), (2, 199941950), (4, 99970975), (5, 79976780), (10, 39988390), (13, 30760300), (20, 19994195), (25, 15995356), (26, 15380150), (29, 13789100), (50, 7997678), (52, 7690075), (58, 6894550), (65, 6152060), (100, 3998839), (116, 3447275), (130, 3076030), (145, 2757820), (260, 1538015), (290, 1378910), (325, 1230412), (377, 1060700), (580, 689455), (650, 615206), (725, 551564), (754, 530350), (1300, 307603), (1450, 275782), (1508, 265175), (1885, 212140), (2900, 137891), (3770, 106070), (7540, 53035), (9425, 42428), (10607, 37700), (18850, 21214)]