74981250

素因数分解:

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

素因数の和:107

約数の個数: 144

約数和(自身を含む): 214486272

約数和(自身を除く): 139505022

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 31, 43, 45, 50, 62, 75, 86, 90, 93, 125, 129, 150, 155, 186, 215, 225, 250, 258, 279, 310, 375, 387, 430, 450, 465, 558, 625, 645, 750, 774, 775, 930, 1075, 1125, 1250, 1290, 1333, 1395, 1550, 1875, 1935, 2150, 2250, 2325, 2666, 2790, 3125, 3225, 3750, 3870, 3875, 3999, 4650, 5375, 5625, 6250, 6450, 6665, 6975, 7750, 7998, 9375, 9675, 10750, 11250, 11625, 11997, 13330, 13950, 16125, 18750, 19350, 19375, 19995, 23250, 23994, 26875, 28125, 32250, 33325, 34875, 38750, 39990, 48375, 53750, 56250, 58125, 59985, 66650, 69750, 80625, 96750, 96875, 99975, 116250, 119970, 134375, 161250, 166625, 174375, 193750, 199950, 241875, 268750, 290625, 299925, 333250, 348750, 403125, 483750, 499875, 581250, 599850, 806250, 833125, 871875, 999750, 1209375, 1499625, 1666250, 1743750, 2418750, 2499375, 2999250, 4165625, 4998750, 7498125, 8331250, 12496875, 14996250, 24993750, 37490625, 74981250]

約数ペア:

[(1, 74981250), (2, 37490625), (3, 24993750), (5, 14996250), (6, 12496875), (9, 8331250), (10, 7498125), (15, 4998750), (18, 4165625), (25, 2999250), (30, 2499375), (31, 2418750), (43, 1743750), (45, 1666250), (50, 1499625), (62, 1209375), (75, 999750), (86, 871875), (90, 833125), (93, 806250), (125, 599850), (129, 581250), (150, 499875), (155, 483750), (186, 403125), (215, 348750), (225, 333250), (250, 299925), (258, 290625), (279, 268750), (310, 241875), (375, 199950), (387, 193750), (430, 174375), (450, 166625), (465, 161250), (558, 134375), (625, 119970), (645, 116250), (750, 99975), (774, 96875), (775, 96750), (930, 80625), (1075, 69750), (1125, 66650), (1250, 59985), (1290, 58125), (1333, 56250), (1395, 53750), (1550, 48375), (1875, 39990), (1935, 38750), (2150, 34875), (2250, 33325), (2325, 32250), (2666, 28125), (2790, 26875), (3125, 23994), (3225, 23250), (3750, 19995), (3870, 19375), (3875, 19350), (3999, 18750), (4650, 16125), (5375, 13950), (5625, 13330), (6250, 11997), (6450, 11625), (6665, 11250), (6975, 10750), (7750, 9675), (7998, 9375)]