1489674680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{5741}}^1$

素因数の和:6264

約数の個数: 64

約数和(自身を含む): 3617460000

約数和(自身を除く): 2127785320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 499, 520, 998, 1996, 2495, 3992, 4990, 5741, 6487, 9980, 11482, 12974, 19960, 22964, 25948, 28705, 32435, 45928, 51896, 57410, 64870, 74633, 114820, 129740, 149266, 229640, 259480, 298532, 373165, 597064, 746330, 1492660, 2864759, 2985320, 5729518, 11459036, 14323795, 22918072, 28647590, 37241867, 57295180, 74483734, 114590360, 148967468, 186209335, 297934936, 372418670, 744837340, 1489674680]

約数ペア:

[(1, 1489674680), (2, 744837340), (4, 372418670), (5, 297934936), (8, 186209335), (10, 148967468), (13, 114590360), (20, 74483734), (26, 57295180), (40, 37241867), (52, 28647590), (65, 22918072), (104, 14323795), (130, 11459036), (260, 5729518), (499, 2985320), (520, 2864759), (998, 1492660), (1996, 746330), (2495, 597064), (3992, 373165), (4990, 298532), (5741, 259480), (6487, 229640), (9980, 149266), (11482, 129740), (12974, 114820), (19960, 74633), (22964, 64870), (25948, 57410), (28705, 51896), (32435, 45928)]