400240428

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{680681}}^1$

素因数の和:680702

約数の個数: 36

約数和(自身を含む): 1086368472

約数和(自身を除く): 686128044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 680681, 1361362, 2042043, 2722724, 4084086, 4764767, 8168172, 9529534, 14294301, 19059068, 28588602, 33353369, 57177204, 66706738, 100060107, 133413476, 200120214, 400240428]

約数ペア:

[(1, 400240428), (2, 200120214), (3, 133413476), (4, 100060107), (6, 66706738), (7, 57177204), (12, 33353369), (14, 28588602), (21, 19059068), (28, 14294301), (42, 9529534), (49, 8168172), (84, 4764767), (98, 4084086), (147, 2722724), (196, 2042043), (294, 1361362), (588, 680681)]