69441790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 141419520

約数和(自身を除く): 71977730

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 79, 110, 122, 131, 158, 262, 305, 395, 610, 655, 671, 790, 869, 1310, 1342, 1441, 1738, 2882, 3355, 4345, 4819, 6710, 7205, 7991, 8690, 9638, 10349, 14410, 15982, 20698, 24095, 39955, 48190, 51745, 53009, 79910, 87901, 103490, 106018, 113839, 175802, 227678, 265045, 439505, 530090, 569195, 631289, 879010, 1138390, 1262578, 3156445, 6312890, 6944179, 13888358, 34720895, 69441790]

約数ペア:

[(1, 69441790), (2, 34720895), (5, 13888358), (10, 6944179), (11, 6312890), (22, 3156445), (55, 1262578), (61, 1138390), (79, 879010), (110, 631289), (122, 569195), (131, 530090), (158, 439505), (262, 265045), (305, 227678), (395, 175802), (610, 113839), (655, 106018), (671, 103490), (790, 87901), (869, 79910), (1310, 53009), (1342, 51745), (1441, 48190), (1738, 39955), (2882, 24095), (3355, 20698), (4345, 15982), (4819, 14410), (6710, 10349), (7205, 9638), (7991, 8690)]