72023740

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{397}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 155659392

約数和(自身を除く): 83635652

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 193, 235, 386, 397, 470, 772, 794, 940, 965, 1588, 1930, 1985, 3860, 3970, 7940, 9071, 18142, 18659, 36284, 37318, 45355, 74636, 76621, 90710, 93295, 153242, 181420, 186590, 306484, 373180, 383105, 766210, 1532420, 3601187, 7202374, 14404748, 18005935, 36011870, 72023740]

約数ペア:

[(1, 72023740), (2, 36011870), (4, 18005935), (5, 14404748), (10, 7202374), (20, 3601187), (47, 1532420), (94, 766210), (188, 383105), (193, 373180), (235, 306484), (386, 186590), (397, 181420), (470, 153242), (772, 93295), (794, 90710), (940, 76621), (965, 74636), (1588, 45355), (1930, 37318), (1985, 36284), (3860, 18659), (3970, 18142), (7940, 9071)]