988717250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{1277}}^1$

素因数の和:1476

約数の個数: 64

約数和(自身を含む): 1961781120

約数和(自身を除く): 973063870

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 163, 190, 250, 326, 475, 815, 950, 1277, 1630, 2375, 2554, 3097, 4075, 4750, 6194, 6385, 8150, 12770, 15485, 20375, 24263, 30970, 31925, 40750, 48526, 63850, 77425, 121315, 154850, 159625, 208151, 242630, 319250, 387125, 416302, 606575, 774250, 1040755, 1213150, 2081510, 3032875, 3954869, 5203775, 6065750, 7909738, 10407550, 19774345, 26018875, 39548690, 52037750, 98871725, 197743450, 494358625, 988717250]

約数ペア:

[(1, 988717250), (2, 494358625), (5, 197743450), (10, 98871725), (19, 52037750), (25, 39548690), (38, 26018875), (50, 19774345), (95, 10407550), (125, 7909738), (163, 6065750), (190, 5203775), (250, 3954869), (326, 3032875), (475, 2081510), (815, 1213150), (950, 1040755), (1277, 774250), (1630, 606575), (2375, 416302), (2554, 387125), (3097, 319250), (4075, 242630), (4750, 208151), (6194, 159625), (6385, 154850), (8150, 121315), (12770, 77425), (15485, 63850), (20375, 48526), (24263, 40750), (30970, 31925)]