404803750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{859}}^1$

素因数の和:923

約数の個数: 80

約数和(自身を含む): 846291600

約数和(自身を除く): 441487850

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 50, 58, 65, 125, 130, 145, 250, 290, 325, 377, 625, 650, 725, 754, 859, 1250, 1450, 1625, 1718, 1885, 3250, 3625, 3770, 4295, 7250, 8125, 8590, 9425, 11167, 16250, 18125, 18850, 21475, 22334, 24911, 36250, 42950, 47125, 49822, 55835, 94250, 107375, 111670, 124555, 214750, 235625, 249110, 279175, 323843, 471250, 536875, 558350, 622775, 647686, 1073750, 1245550, 1395875, 1619215, 2791750, 3113875, 3238430, 6227750, 6979375, 8096075, 13958750, 15569375, 16192150, 31138750, 40480375, 80960750, 202401875, 404803750]

約数ペア:

[(1, 404803750), (2, 202401875), (5, 80960750), (10, 40480375), (13, 31138750), (25, 16192150), (26, 15569375), (29, 13958750), (50, 8096075), (58, 6979375), (65, 6227750), (125, 3238430), (130, 3113875), (145, 2791750), (250, 1619215), (290, 1395875), (325, 1245550), (377, 1073750), (625, 647686), (650, 622775), (725, 558350), (754, 536875), (859, 471250), (1250, 323843), (1450, 279175), (1625, 249110), (1718, 235625), (1885, 214750), (3250, 124555), (3625, 111670), (3770, 107375), (4295, 94250), (7250, 55835), (8125, 49822), (8590, 47125), (9425, 42950), (11167, 36250), (16250, 24911), (18125, 22334), (18850, 21475)]