66627500

素因数分解:

$2^2\times 5^4\times {\mathrm{29}}^1\times {\mathrm{919}}^1$

素因数の和:972

約数の個数: 60

約数和(自身を含む): 150889200

約数和(自身を除く): 84261700

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 125, 145, 250, 290, 500, 580, 625, 725, 919, 1250, 1450, 1838, 2500, 2900, 3625, 3676, 4595, 7250, 9190, 14500, 18125, 18380, 22975, 26651, 36250, 45950, 53302, 72500, 91900, 106604, 114875, 133255, 229750, 266510, 459500, 533020, 574375, 666275, 1148750, 1332550, 2297500, 2665100, 3331375, 6662750, 13325500, 16656875, 33313750, 66627500]

約数ペア:

[(1, 66627500), (2, 33313750), (4, 16656875), (5, 13325500), (10, 6662750), (20, 3331375), (25, 2665100), (29, 2297500), (50, 1332550), (58, 1148750), (100, 666275), (116, 574375), (125, 533020), (145, 459500), (250, 266510), (290, 229750), (500, 133255), (580, 114875), (625, 106604), (725, 91900), (919, 72500), (1250, 53302), (1450, 45950), (1838, 36250), (2500, 26651), (2900, 22975), (3625, 18380), (3676, 18125), (4595, 14500), (7250, 9190)]