161310325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 229003200

約数和(自身を除く): 67692875

約数列:

[1, 5, 11, 25, 29, 55, 113, 145, 179, 275, 319, 565, 725, 895, 1243, 1595, 1969, 2825, 3277, 4475, 5191, 6215, 7975, 9845, 16385, 20227, 25955, 31075, 36047, 49225, 57101, 81925, 101135, 129775, 180235, 222497, 285505, 505675, 586583, 901175, 1112485, 1427525, 2932915, 5562425, 6452413, 14664575, 32262065, 161310325]

約数ペア:

[(1, 161310325), (5, 32262065), (11, 14664575), (25, 6452413), (29, 5562425), (55, 2932915), (113, 1427525), (145, 1112485), (179, 901175), (275, 586583), (319, 505675), (565, 285505), (725, 222497), (895, 180235), (1243, 129775), (1595, 101135), (1969, 81925), (2825, 57101), (3277, 49225), (4475, 36047), (5191, 31075), (6215, 25955), (7975, 20227), (9845, 16385)]