149968360

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{5849}}^1$

素因数の和:6501

約数の個数: 32

約数和(自身を含む): 338013000

約数和(自身を除く): 188044640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 5128, 5849, 6410, 11698, 12820, 23396, 25640, 29245, 46792, 58490, 116980, 233960, 3749209, 7498418, 14996836, 18746045, 29993672, 37492090, 74984180, 149968360]

約数ペア:

[(1, 149968360), (2, 74984180), (4, 37492090), (5, 29993672), (8, 18746045), (10, 14996836), (20, 7498418), (40, 3749209), (641, 233960), (1282, 116980), (2564, 58490), (3205, 46792), (5128, 29245), (5849, 25640), (6410, 23396), (11698, 12820)]