139969370

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1\times {\mathrm{983}}^1$

素因数の和:1510

約数の個数: 32

約数和(自身を含む): 261429120

約数和(自身を除く): 121459750

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 491, 982, 983, 1966, 2455, 4910, 4915, 9830, 14239, 28478, 28507, 57014, 71195, 142390, 142535, 285070, 482653, 965306, 2413265, 4826530, 13996937, 27993874, 69984685, 139969370]

約数ペア:

[(1, 139969370), (2, 69984685), (5, 27993874), (10, 13996937), (29, 4826530), (58, 2413265), (145, 965306), (290, 482653), (491, 285070), (982, 142535), (983, 142390), (1966, 71195), (2455, 57014), (4910, 28507), (4915, 28478), (9830, 14239)]