78461860

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{881}}^1$

素因数の和:1024

約数の個数: 48

約数和(自身を含む): 169957872

約数和(自身を除く): 91496012

約数列:

[1, 2, 4, 5, 10, 20, 61, 73, 122, 146, 244, 292, 305, 365, 610, 730, 881, 1220, 1460, 1762, 3524, 4405, 4453, 8810, 8906, 17620, 17812, 22265, 44530, 53741, 64313, 89060, 107482, 128626, 214964, 257252, 268705, 321565, 537410, 643130, 1074820, 1286260, 3923093, 7846186, 15692372, 19615465, 39230930, 78461860]

約数ペア:

[(1, 78461860), (2, 39230930), (4, 19615465), (5, 15692372), (10, 7846186), (20, 3923093), (61, 1286260), (73, 1074820), (122, 643130), (146, 537410), (244, 321565), (292, 268705), (305, 257252), (365, 214964), (610, 128626), (730, 107482), (881, 89060), (1220, 64313), (1460, 53741), (1762, 44530), (3524, 22265), (4405, 17812), (4453, 17620), (8810, 8906)]