277260760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{3499}}^1$

素因数の和:3800

約数の個数: 64

約数和(自身を含む): 715680000

約数和(自身を除く): 438419240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 283, 566, 1132, 1415, 1981, 2264, 2830, 3499, 3962, 5660, 6998, 7924, 9905, 11320, 13996, 15848, 17495, 19810, 24493, 27992, 34990, 39620, 48986, 69980, 79240, 97972, 122465, 139960, 195944, 244930, 489860, 979720, 990217, 1980434, 3960868, 4951085, 6931519, 7921736, 9902170, 13863038, 19804340, 27726076, 34657595, 39608680, 55452152, 69315190, 138630380, 277260760]

約数ペア:

[(1, 277260760), (2, 138630380), (4, 69315190), (5, 55452152), (7, 39608680), (8, 34657595), (10, 27726076), (14, 19804340), (20, 13863038), (28, 9902170), (35, 7921736), (40, 6931519), (56, 4951085), (70, 3960868), (140, 1980434), (280, 990217), (283, 979720), (566, 489860), (1132, 244930), (1415, 195944), (1981, 139960), (2264, 122465), (2830, 97972), (3499, 79240), (3962, 69980), (5660, 48986), (6998, 39620), (7924, 34990), (9905, 27992), (11320, 24493), (13996, 19810), (15848, 17495)]