400571925

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:543

約数の個数: 96

約数和(自身を含む): 763284480

約数和(自身を除く): 362712555

約数列:

[1, 3, 5, 13, 15, 25, 29, 31, 39, 65, 75, 87, 93, 145, 155, 195, 325, 377, 403, 435, 457, 465, 725, 775, 899, 975, 1131, 1209, 1371, 1885, 2015, 2175, 2285, 2325, 2697, 4495, 5655, 5941, 6045, 6855, 9425, 10075, 11425, 11687, 13253, 13485, 14167, 17823, 22475, 28275, 29705, 30225, 34275, 35061, 39759, 42501, 58435, 66265, 67425, 70835, 89115, 148525, 172289, 175305, 184171, 198795, 212505, 292175, 331325, 354175, 410843, 445575, 516867, 552513, 861445, 876525, 920855, 993975, 1062525, 1232529, 2054215, 2584335, 2762565, 4307225, 4604275, 5340959, 6162645, 10271075, 12921675, 13812825, 16022877, 26704795, 30813225, 80114385, 133523975, 400571925]

約数ペア:

[(1, 400571925), (3, 133523975), (5, 80114385), (13, 30813225), (15, 26704795), (25, 16022877), (29, 13812825), (31, 12921675), (39, 10271075), (65, 6162645), (75, 5340959), (87, 4604275), (93, 4307225), (145, 2762565), (155, 2584335), (195, 2054215), (325, 1232529), (377, 1062525), (403, 993975), (435, 920855), (457, 876525), (465, 861445), (725, 552513), (775, 516867), (899, 445575), (975, 410843), (1131, 354175), (1209, 331325), (1371, 292175), (1885, 212505), (2015, 198795), (2175, 184171), (2285, 175305), (2325, 172289), (2697, 148525), (4495, 89115), (5655, 70835), (5941, 67425), (6045, 66265), (6855, 58435), (9425, 42501), (10075, 39759), (11425, 35061), (11687, 34275), (13253, 30225), (13485, 29705), (14167, 28275), (17823, 22475)]