139905940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{2797}}^1$

素因数の和:2908

約数の個数: 48

約数和(自身を含む): 306011664

約数和(自身を除く): 166105724

約数列:

[1, 2, 4, 5, 10, 20, 41, 61, 82, 122, 164, 205, 244, 305, 410, 610, 820, 1220, 2501, 2797, 5002, 5594, 10004, 11188, 12505, 13985, 25010, 27970, 50020, 55940, 114677, 170617, 229354, 341234, 458708, 573385, 682468, 853085, 1146770, 1706170, 2293540, 3412340, 6995297, 13990594, 27981188, 34976485, 69952970, 139905940]

約数ペア:

[(1, 139905940), (2, 69952970), (4, 34976485), (5, 27981188), (10, 13990594), (20, 6995297), (41, 3412340), (61, 2293540), (82, 1706170), (122, 1146770), (164, 853085), (205, 682468), (244, 573385), (305, 458708), (410, 341234), (610, 229354), (820, 170617), (1220, 114677), (2501, 55940), (2797, 50020), (5002, 27970), (5594, 25010), (10004, 13985), (11188, 12505)]