406427750

素因数分解:

$2^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{919}}^1$

素因数の和:1026

約数の個数: 64

約数和(自身を含む): 800841600

約数和(自身を除く): 394413850

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 61, 122, 125, 145, 250, 290, 305, 610, 725, 919, 1450, 1525, 1769, 1838, 3050, 3538, 3625, 4595, 7250, 7625, 8845, 9190, 15250, 17690, 22975, 26651, 44225, 45950, 53302, 56059, 88450, 112118, 114875, 133255, 221125, 229750, 266510, 280295, 442250, 560590, 666275, 1332550, 1401475, 1625711, 2802950, 3251422, 3331375, 6662750, 7007375, 8128555, 14014750, 16257110, 40642775, 81285550, 203213875, 406427750]

約数ペア:

[(1, 406427750), (2, 203213875), (5, 81285550), (10, 40642775), (25, 16257110), (29, 14014750), (50, 8128555), (58, 7007375), (61, 6662750), (122, 3331375), (125, 3251422), (145, 2802950), (250, 1625711), (290, 1401475), (305, 1332550), (610, 666275), (725, 560590), (919, 442250), (1450, 280295), (1525, 266510), (1769, 229750), (1838, 221125), (3050, 133255), (3538, 114875), (3625, 112118), (4595, 88450), (7250, 56059), (7625, 53302), (8845, 45950), (9190, 44225), (15250, 26651), (17690, 22975)]