49987500

素因数分解:

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

素因数の和:106

約数の個数: 144

約数和(自身を含む): 153990144

約数和(自身を除く): 104002644

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, 3125, 3225, 3750, 3875, 3999, 4300, 4650, 5332, 5375, 6250, 6450, 6665, 7500, 7750, 7998, 9300, 9375, 10750, 11625, 12500, 12900, 13330, 15500, 15996, 16125, 18750, 19375, 19995, 21500, 23250, 26660, 26875, 32250, 33325, 37500, 38750, 39990, 46500, 53750, 58125, 64500, 66650, 77500, 79980, 80625, 96875, 99975, 107500, 116250, 133300, 134375, 161250, 166625, 193750, 199950, 232500, 268750, 290625, 322500, 333250, 387500, 399900, 403125, 499875, 537500, 581250, 666500, 806250, 833125, 999750, 1162500, 1612500, 1666250, 1999500, 2499375, 3332500, 4165625, 4998750, 8331250, 9997500, 12496875, 16662500, 24993750, 49987500]

約数ペア:

[(1, 49987500), (2, 24993750), (3, 16662500), (4, 12496875), (5, 9997500), (6, 8331250), (10, 4998750), (12, 4165625), (15, 3332500), (20, 2499375), (25, 1999500), (30, 1666250), (31, 1612500), (43, 1162500), (50, 999750), (60, 833125), (62, 806250), (75, 666500), (86, 581250), (93, 537500), (100, 499875), (124, 403125), (125, 399900), (129, 387500), (150, 333250), (155, 322500), (172, 290625), (186, 268750), (215, 232500), (250, 199950), (258, 193750), (300, 166625), (310, 161250), (372, 134375), (375, 133300), (430, 116250), (465, 107500), (500, 99975), (516, 96875), (620, 80625), (625, 79980), (645, 77500), (750, 66650), (775, 64500), (860, 58125), (930, 53750), (1075, 46500), (1250, 39990), (1290, 38750), (1333, 37500), (1500, 33325), (1550, 32250), (1860, 26875), (1875, 26660), (2150, 23250), (2325, 21500), (2500, 19995), (2580, 19375), (2666, 18750), (3100, 16125), (3125, 15996), (3225, 15500), (3750, 13330), (3875, 12900), (3999, 12500), (4300, 11625), (4650, 10750), (5332, 9375), (5375, 9300), (6250, 7998), (6450, 7750), (6665, 7500)]