99816880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{677}}^1$

素因数の和:806

約数の個数: 80

約数和(自身を含む): 247171680

約数和(自身を除く): 147354800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 97, 152, 190, 194, 304, 380, 388, 485, 677, 760, 776, 970, 1354, 1520, 1552, 1843, 1940, 2708, 3385, 3686, 3880, 5416, 6770, 7372, 7760, 9215, 10832, 12863, 13540, 14744, 18430, 25726, 27080, 29488, 36860, 51452, 54160, 64315, 65669, 73720, 102904, 128630, 131338, 147440, 205808, 257260, 262676, 328345, 514520, 525352, 656690, 1029040, 1050704, 1247711, 1313380, 2495422, 2626760, 4990844, 5253520, 6238555, 9981688, 12477110, 19963376, 24954220, 49908440, 99816880]

約数ペア:

[(1, 99816880), (2, 49908440), (4, 24954220), (5, 19963376), (8, 12477110), (10, 9981688), (16, 6238555), (19, 5253520), (20, 4990844), (38, 2626760), (40, 2495422), (76, 1313380), (80, 1247711), (95, 1050704), (97, 1029040), (152, 656690), (190, 525352), (194, 514520), (304, 328345), (380, 262676), (388, 257260), (485, 205808), (677, 147440), (760, 131338), (776, 128630), (970, 102904), (1354, 73720), (1520, 65669), (1552, 64315), (1843, 54160), (1940, 51452), (2708, 36860), (3385, 29488), (3686, 27080), (3880, 25726), (5416, 18430), (6770, 14744), (7372, 13540), (7760, 12863), (9215, 10832)]