204558100

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{613}}^1$

素因数の和:745

約数の個数: 72

約数和(自身を含む): 460470528

約数和(自身を除く): 255912428

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 71, 94, 100, 142, 188, 235, 284, 355, 470, 613, 710, 940, 1175, 1226, 1420, 1775, 2350, 2452, 3065, 3337, 3550, 4700, 6130, 6674, 7100, 12260, 13348, 15325, 16685, 28811, 30650, 33370, 43523, 57622, 61300, 66740, 83425, 87046, 115244, 144055, 166850, 174092, 217615, 288110, 333700, 435230, 576220, 720275, 870460, 1088075, 1440550, 2045581, 2176150, 2881100, 4091162, 4352300, 8182324, 10227905, 20455810, 40911620, 51139525, 102279050, 204558100]

約数ペア:

[(1, 204558100), (2, 102279050), (4, 51139525), (5, 40911620), (10, 20455810), (20, 10227905), (25, 8182324), (47, 4352300), (50, 4091162), (71, 2881100), (94, 2176150), (100, 2045581), (142, 1440550), (188, 1088075), (235, 870460), (284, 720275), (355, 576220), (470, 435230), (613, 333700), (710, 288110), (940, 217615), (1175, 174092), (1226, 166850), (1420, 144055), (1775, 115244), (2350, 87046), (2452, 83425), (3065, 66740), (3337, 61300), (3550, 57622), (4700, 43523), (6130, 33370), (6674, 30650), (7100, 28811), (12260, 16685), (13348, 15325)]