69989360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{124981}}^1$

素因数の和:125001

約数の個数: 40

約数和(自身を含む): 185973216

約数和(自身を除く): 115983856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 124981, 249962, 499924, 624905, 874867, 999848, 1249810, 1749734, 1999696, 2499620, 3499468, 4374335, 4999240, 6998936, 8748670, 9998480, 13997872, 17497340, 34994680, 69989360]

約数ペア:

[(1, 69989360), (2, 34994680), (4, 17497340), (5, 13997872), (7, 9998480), (8, 8748670), (10, 6998936), (14, 4999240), (16, 4374335), (20, 3499468), (28, 2499620), (35, 1999696), (40, 1749734), (56, 1249810), (70, 999848), (80, 874867), (112, 624905), (140, 499924), (280, 249962), (560, 124981)]