9997500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:101

約数の個数: 120

約数和(自身を含む): 30790144

約数和(自身を除く): 20792644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 43, 50, 60, 62, 75, 86, 93, 100, 124, 125, 129, 150, 155, 172, 186, 215, 250, 258, 300, 310, 372, 375, 430, 465, 500, 516, 620, 625, 645, 750, 775, 860, 930, 1075, 1250, 1290, 1333, 1500, 1550, 1860, 1875, 2150, 2325, 2500, 2580, 2666, 3100, 3225, 3750, 3875, 3999, 4300, 4650, 5332, 5375, 6450, 6665, 7500, 7750, 7998, 9300, 10750, 11625, 12900, 13330, 15500, 15996, 16125, 19375, 19995, 21500, 23250, 26660, 26875, 32250, 33325, 38750, 39990, 46500, 53750, 58125, 64500, 66650, 77500, 79980, 80625, 99975, 107500, 116250, 133300, 161250, 166625, 199950, 232500, 322500, 333250, 399900, 499875, 666500, 833125, 999750, 1666250, 1999500, 2499375, 3332500, 4998750, 9997500]

約数ペア:

[(1, 9997500), (2, 4998750), (3, 3332500), (4, 2499375), (5, 1999500), (6, 1666250), (10, 999750), (12, 833125), (15, 666500), (20, 499875), (25, 399900), (30, 333250), (31, 322500), (43, 232500), (50, 199950), (60, 166625), (62, 161250), (75, 133300), (86, 116250), (93, 107500), (100, 99975), (124, 80625), (125, 79980), (129, 77500), (150, 66650), (155, 64500), (172, 58125), (186, 53750), (215, 46500), (250, 39990), (258, 38750), (300, 33325), (310, 32250), (372, 26875), (375, 26660), (430, 23250), (465, 21500), (500, 19995), (516, 19375), (620, 16125), (625, 15996), (645, 15500), (750, 13330), (775, 12900), (860, 11625), (930, 10750), (1075, 9300), (1250, 7998), (1290, 7750), (1333, 7500), (1500, 6665), (1550, 6450), (1860, 5375), (1875, 5332), (2150, 4650), (2325, 4300), (2500, 3999), (2580, 3875), (2666, 3750), (3100, 3225)]