74998140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{178567}}^1$

素因数の和:178586

約数の個数: 48

約数和(自身を含む): 239995392

約数和(自身を除く): 164997252

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 178567, 357134, 535701, 714268, 892835, 1071402, 1249969, 1785670, 2142804, 2499938, 2678505, 3571340, 3749907, 4999876, 5357010, 6249845, 7499814, 10714020, 12499690, 14999628, 18749535, 24999380, 37499070, 74998140]

約数ペア:

[(1, 74998140), (2, 37499070), (3, 24999380), (4, 18749535), (5, 14999628), (6, 12499690), (7, 10714020), (10, 7499814), (12, 6249845), (14, 5357010), (15, 4999876), (20, 3749907), (21, 3571340), (28, 2678505), (30, 2499938), (35, 2142804), (42, 1785670), (60, 1249969), (70, 1071402), (84, 892835), (105, 714268), (140, 535701), (210, 357134), (420, 178567)]