56707780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1889}}^1$

素因数の和:1996

約数の個数: 48

約数和(自身を含む): 127008000

約数和(自身を除く): 70300220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 790, 1501, 1580, 1889, 3002, 3778, 6004, 7505, 7556, 9445, 15010, 18890, 30020, 35891, 37780, 71782, 143564, 149231, 179455, 298462, 358910, 596924, 717820, 746155, 1492310, 2835389, 2984620, 5670778, 11341556, 14176945, 28353890, 56707780]

約数ペア:

[(1, 56707780), (2, 28353890), (4, 14176945), (5, 11341556), (10, 5670778), (19, 2984620), (20, 2835389), (38, 1492310), (76, 746155), (79, 717820), (95, 596924), (158, 358910), (190, 298462), (316, 179455), (380, 149231), (395, 143564), (790, 71782), (1501, 37780), (1580, 35891), (1889, 30020), (3002, 18890), (3778, 15010), (6004, 9445), (7505, 7556)]