207958760

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{85229}}^1$

素因数の和:85301

約数の個数: 32

約数和(自身を含む): 475583400

約数和(自身を除く): 267624640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 85229, 170458, 340916, 426145, 681832, 852290, 1704580, 3409160, 5198969, 10397938, 20795876, 25994845, 41591752, 51989690, 103979380, 207958760]

約数ペア:

[(1, 207958760), (2, 103979380), (4, 51989690), (5, 41591752), (8, 25994845), (10, 20795876), (20, 10397938), (40, 5198969), (61, 3409160), (122, 1704580), (244, 852290), (305, 681832), (488, 426145), (610, 340916), (1220, 170458), (2440, 85229)]