204428300

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{229}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 455179200

約数和(自身を除く): 250750900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 113, 158, 226, 229, 316, 395, 452, 458, 565, 790, 916, 1130, 1145, 1580, 1975, 2260, 2290, 2825, 3950, 4580, 5650, 5725, 7900, 8927, 11300, 11450, 17854, 18091, 22900, 25877, 35708, 36182, 44635, 51754, 72364, 89270, 90455, 103508, 129385, 178540, 180910, 223175, 258770, 361820, 446350, 452275, 517540, 646925, 892700, 904550, 1293850, 1809100, 2044283, 2587700, 4088566, 8177132, 10221415, 20442830, 40885660, 51107075, 102214150, 204428300]

約数ペア:

[(1, 204428300), (2, 102214150), (4, 51107075), (5, 40885660), (10, 20442830), (20, 10221415), (25, 8177132), (50, 4088566), (79, 2587700), (100, 2044283), (113, 1809100), (158, 1293850), (226, 904550), (229, 892700), (316, 646925), (395, 517540), (452, 452275), (458, 446350), (565, 361820), (790, 258770), (916, 223175), (1130, 180910), (1145, 178540), (1580, 129385), (1975, 103508), (2260, 90455), (2290, 89270), (2825, 72364), (3950, 51754), (4580, 44635), (5650, 36182), (5725, 35708), (7900, 25877), (8927, 22900), (11300, 18091), (11450, 17854)]