47278280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{168851}}^1$

素因数の和:168869

約数の個数: 32

約数和(自身を含む): 121573440

約数和(自身を除く): 74295160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 168851, 337702, 675404, 844255, 1181957, 1350808, 1688510, 2363914, 3377020, 4727828, 5909785, 6754040, 9455656, 11819570, 23639140, 47278280]

約数ペア:

[(1, 47278280), (2, 23639140), (4, 11819570), (5, 9455656), (7, 6754040), (8, 5909785), (10, 4727828), (14, 3377020), (20, 2363914), (28, 1688510), (35, 1350808), (40, 1181957), (56, 844255), (70, 675404), (140, 337702), (280, 168851)]