70705720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103979}}^1$

素因数の和:104007

約数の個数: 32

約数和(自身を含む): 168447600

約数和(自身を除く): 97741880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 103979, 207958, 415916, 519895, 831832, 1039790, 1767643, 2079580, 3535286, 4159160, 7070572, 8838215, 14141144, 17676430, 35352860, 70705720]

約数ペア:

[(1, 70705720), (2, 35352860), (4, 17676430), (5, 14141144), (8, 8838215), (10, 7070572), (17, 4159160), (20, 3535286), (34, 2079580), (40, 1767643), (68, 1039790), (85, 831832), (136, 519895), (170, 415916), (340, 207958), (680, 103979)]