87662780

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{619}}^1$

素因数の和:798

約数の個数: 48

約数和(自身を含む): 188842080

約数和(自身を除く): 101179300

約数列:

[1, 2, 4, 5, 10, 20, 73, 97, 146, 194, 292, 365, 388, 485, 619, 730, 970, 1238, 1460, 1940, 2476, 3095, 6190, 7081, 12380, 14162, 28324, 35405, 45187, 60043, 70810, 90374, 120086, 141620, 180748, 225935, 240172, 300215, 451870, 600430, 903740, 1200860, 4383139, 8766278, 17532556, 21915695, 43831390, 87662780]

約数ペア:

[(1, 87662780), (2, 43831390), (4, 21915695), (5, 17532556), (10, 8766278), (20, 4383139), (73, 1200860), (97, 903740), (146, 600430), (194, 451870), (292, 300215), (365, 240172), (388, 225935), (485, 180748), (619, 141620), (730, 120086), (970, 90374), (1238, 70810), (1460, 60043), (1940, 45187), (2476, 35405), (3095, 28324), (6190, 14162), (7081, 12380)]