29812020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{70981}}^1$

素因数の和:71000

約数の個数: 48

約数和(自身を含む): 95399808

約数和(自身を除く): 65587788

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, 70981, 141962, 212943, 283924, 354905, 425886, 496867, 709810, 851772, 993734, 1064715, 1419620, 1490601, 1987468, 2129430, 2484335, 2981202, 4258860, 4968670, 5962404, 7453005, 9937340, 14906010, 29812020]

約数ペア:

[(1, 29812020), (2, 14906010), (3, 9937340), (4, 7453005), (5, 5962404), (6, 4968670), (7, 4258860), (10, 2981202), (12, 2484335), (14, 2129430), (15, 1987468), (20, 1490601), (21, 1419620), (28, 1064715), (30, 993734), (35, 851772), (42, 709810), (60, 496867), (70, 425886), (84, 354905), (105, 283924), (140, 212943), (210, 141962), (420, 70981)]