77876870

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{2969}}^1$

素因数の和:3080

約数の個数: 32

約数和(自身を含む): 145838880

約数和(自身を除く): 67962010

約数列:

[1, 2, 5, 10, 43, 61, 86, 122, 215, 305, 430, 610, 2623, 2969, 5246, 5938, 13115, 14845, 26230, 29690, 127667, 181109, 255334, 362218, 638335, 905545, 1276670, 1811090, 7787687, 15575374, 38938435, 77876870]

約数ペア:

[(1, 77876870), (2, 38938435), (5, 15575374), (10, 7787687), (43, 1811090), (61, 1276670), (86, 905545), (122, 638335), (215, 362218), (305, 255334), (430, 181109), (610, 127667), (2623, 29690), (2969, 26230), (5246, 14845), (5938, 13115)]