142721140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{1019}}^1$

素因数の和:1224

約数の個数: 48

約数和(自身を含む): 308448000

約数和(自身を除く): 165726860

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 149, 188, 235, 298, 470, 596, 745, 940, 1019, 1490, 2038, 2980, 4076, 5095, 7003, 10190, 14006, 20380, 28012, 35015, 47893, 70030, 95786, 140060, 151831, 191572, 239465, 303662, 478930, 607324, 759155, 957860, 1518310, 3036620, 7136057, 14272114, 28544228, 35680285, 71360570, 142721140]

約数ペア:

[(1, 142721140), (2, 71360570), (4, 35680285), (5, 28544228), (10, 14272114), (20, 7136057), (47, 3036620), (94, 1518310), (149, 957860), (188, 759155), (235, 607324), (298, 478930), (470, 303662), (596, 239465), (745, 191572), (940, 151831), (1019, 140060), (1490, 95786), (2038, 70030), (2980, 47893), (4076, 35015), (5095, 28012), (7003, 20380), (10190, 14006)]