71985620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1193}}^1$

素因数の和:1640

約数の個数: 48

約数和(自身を含む): 173311488

約数和(自身を除く): 101325868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 431, 862, 1193, 1724, 2155, 2386, 3017, 4310, 4772, 5965, 6034, 8351, 8620, 11930, 12068, 15085, 16702, 23860, 30170, 33404, 41755, 60340, 83510, 167020, 514183, 1028366, 2056732, 2570915, 3599281, 5141830, 7198562, 10283660, 14397124, 17996405, 35992810, 71985620]

約数ペア:

[(1, 71985620), (2, 35992810), (4, 17996405), (5, 14397124), (7, 10283660), (10, 7198562), (14, 5141830), (20, 3599281), (28, 2570915), (35, 2056732), (70, 1028366), (140, 514183), (431, 167020), (862, 83510), (1193, 60340), (1724, 41755), (2155, 33404), (2386, 30170), (3017, 23860), (4310, 16702), (4772, 15085), (5965, 12068), (6034, 11930), (8351, 8620)]