40240494

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{821}}^1$

素因数の和:1225

約数の個数: 48

約数和(自身を含む): 100020960

約数和(自身を除く): 59780466

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 389, 778, 821, 1167, 1642, 2334, 2463, 2723, 3501, 4926, 5446, 5747, 7002, 7389, 8169, 11494, 14778, 16338, 17241, 24507, 34482, 49014, 51723, 103446, 319369, 638738, 958107, 1916214, 2235583, 2874321, 4471166, 5748642, 6706749, 13413498, 20120247, 40240494]

約数ペア:

[(1, 40240494), (2, 20120247), (3, 13413498), (6, 6706749), (7, 5748642), (9, 4471166), (14, 2874321), (18, 2235583), (21, 1916214), (42, 958107), (63, 638738), (126, 319369), (389, 103446), (778, 51723), (821, 49014), (1167, 34482), (1642, 24507), (2334, 17241), (2463, 16338), (2723, 14778), (3501, 11494), (4926, 8169), (5446, 7389), (5747, 7002)]