266804940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{31991}}^1$

素因数の和:32142

約数の個数: 48

約数和(自身を含む): 752451840

約数和(自身を除く): 485646900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2780, 4170, 8340, 31991, 63982, 95973, 127964, 159955, 191946, 319910, 383892, 479865, 639820, 959730, 1919460, 4446749, 8893498, 13340247, 17786996, 22233745, 26680494, 44467490, 53360988, 66701235, 88934980, 133402470, 266804940]

約数ペア:

[(1, 266804940), (2, 133402470), (3, 88934980), (4, 66701235), (5, 53360988), (6, 44467490), (10, 26680494), (12, 22233745), (15, 17786996), (20, 13340247), (30, 8893498), (60, 4446749), (139, 1919460), (278, 959730), (417, 639820), (556, 479865), (695, 383892), (834, 319910), (1390, 191946), (1668, 159955), (2085, 127964), (2780, 95973), (4170, 63982), (8340, 31991)]