1749116680

素因数分解:

$2^3\times 5^1\times {\mathrm{1861}}^1\times {\mathrm{23497}}^1$

素因数の和:25369

約数の個数: 32

約数和(自身を含む): 3937794840

約数和(自身を除く): 2188678160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1861, 3722, 7444, 9305, 14888, 18610, 23497, 37220, 46994, 74440, 93988, 117485, 187976, 234970, 469940, 939880, 43727917, 87455834, 174911668, 218639585, 349823336, 437279170, 874558340, 1749116680]

約数ペア:

[(1, 1749116680), (2, 874558340), (4, 437279170), (5, 349823336), (8, 218639585), (10, 174911668), (20, 87455834), (40, 43727917), (1861, 939880), (3722, 469940), (7444, 234970), (9305, 187976), (14888, 117485), (18610, 93988), (23497, 74440), (37220, 46994)]