28087087900

素因数分解:

$2^2\times 5^2\times {\mathrm{113}}^1\times {\mathrm{719}}^1\times {\mathrm{3457}}^1$

素因数の和:4303

約数の個数: 72

約数和(自身を含む): 61591682880

約数和(自身を除く): 33504594980

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 113, 226, 452, 565, 719, 1130, 1438, 2260, 2825, 2876, 3457, 3595, 5650, 6914, 7190, 11300, 13828, 14380, 17285, 17975, 34570, 35950, 69140, 71900, 81247, 86425, 162494, 172850, 324988, 345700, 390641, 406235, 781282, 812470, 1562564, 1624940, 1953205, 2031175, 2485583, 3906410, 4062350, 4971166, 7812820, 8124700, 9766025, 9942332, 12427915, 19532050, 24855830, 39064100, 49711660, 62139575, 124279150, 248558300, 280870879, 561741758, 1123483516, 1404354395, 2808708790, 5617417580, 7021771975, 14043543950, 28087087900]

約数ペア:

[(1, 28087087900), (2, 14043543950), (4, 7021771975), (5, 5617417580), (10, 2808708790), (20, 1404354395), (25, 1123483516), (50, 561741758), (100, 280870879), (113, 248558300), (226, 124279150), (452, 62139575), (565, 49711660), (719, 39064100), (1130, 24855830), (1438, 19532050), (2260, 12427915), (2825, 9942332), (2876, 9766025), (3457, 8124700), (3595, 7812820), (5650, 4971166), (6914, 4062350), (7190, 3906410), (11300, 2485583), (13828, 2031175), (14380, 1953205), (17285, 1624940), (17975, 1562564), (34570, 812470), (35950, 781282), (69140, 406235), (71900, 390641), (81247, 345700), (86425, 324988), (162494, 172850)]