1999500

素因数分解:

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

素因数の和:96

約数の個数: 96

約数和(自身を含む): 6150144

約数和(自身を除く): 4150644

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, 645, 750, 775, 860, 930, 1075, 1290, 1333, 1500, 1550, 1860, 2150, 2325, 2580, 2666, 3100, 3225, 3875, 3999, 4300, 4650, 5332, 5375, 6450, 6665, 7750, 7998, 9300, 10750, 11625, 12900, 13330, 15500, 15996, 16125, 19995, 21500, 23250, 26660, 32250, 33325, 39990, 46500, 64500, 66650, 79980, 99975, 133300, 166625, 199950, 333250, 399900, 499875, 666500, 999750, 1999500]

約数ペア:

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