64808810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{2819}}^1$

素因数の和:2867

約数の個数: 48

約数和(自身を含む): 135021600

約数和(自身を除く): 70212790

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 121, 190, 209, 242, 418, 605, 1045, 1210, 2090, 2299, 2819, 4598, 5638, 11495, 14095, 22990, 28190, 31009, 53561, 62018, 107122, 155045, 267805, 310090, 341099, 535610, 589171, 682198, 1178342, 1705495, 2945855, 3410990, 5891710, 6480881, 12961762, 32404405, 64808810]

約数ペア:

[(1, 64808810), (2, 32404405), (5, 12961762), (10, 6480881), (11, 5891710), (19, 3410990), (22, 2945855), (38, 1705495), (55, 1178342), (95, 682198), (110, 589171), (121, 535610), (190, 341099), (209, 310090), (242, 267805), (418, 155045), (605, 107122), (1045, 62018), (1210, 53561), (2090, 31009), (2299, 28190), (2819, 22990), (4598, 14095), (5638, 11495)]