7389618920

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1171}}^1\times {\mathrm{1997}}^1$

素因数の和:3258

約数の個数: 64

約数和(自身を含む): 16859923200

約数和(自身を除く): 9470304280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1171, 1580, 1997, 2342, 3160, 3994, 4684, 5855, 7988, 9368, 9985, 11710, 15976, 19970, 23420, 39940, 46840, 79880, 92509, 157763, 185018, 315526, 370036, 462545, 631052, 740072, 788815, 925090, 1262104, 1577630, 1850180, 2338487, 3155260, 3700360, 4676974, 6310520, 9353948, 11692435, 18707896, 23384870, 46769740, 93539480, 184740473, 369480946, 738961892, 923702365, 1477923784, 1847404730, 3694809460, 7389618920]

約数ペア:

[(1, 7389618920), (2, 3694809460), (4, 1847404730), (5, 1477923784), (8, 923702365), (10, 738961892), (20, 369480946), (40, 184740473), (79, 93539480), (158, 46769740), (316, 23384870), (395, 18707896), (632, 11692435), (790, 9353948), (1171, 6310520), (1580, 4676974), (1997, 3700360), (2342, 3155260), (3160, 2338487), (3994, 1850180), (4684, 1577630), (5855, 1262104), (7988, 925090), (9368, 788815), (9985, 740072), (11710, 631052), (15976, 462545), (19970, 370036), (23420, 315526), (39940, 185018), (46840, 157763), (79880, 92509)]