69879980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{2081}}^1$

素因数の和:2186

約数の個数: 48

約数和(自身を含む): 155300544

約数和(自身を除く): 85420564

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 73, 92, 115, 146, 230, 292, 365, 460, 730, 1460, 1679, 2081, 3358, 4162, 6716, 8324, 8395, 10405, 16790, 20810, 33580, 41620, 47863, 95726, 151913, 191452, 239315, 303826, 478630, 607652, 759565, 957260, 1519130, 3038260, 3493999, 6987998, 13975996, 17469995, 34939990, 69879980]

約数ペア:

[(1, 69879980), (2, 34939990), (4, 17469995), (5, 13975996), (10, 6987998), (20, 3493999), (23, 3038260), (46, 1519130), (73, 957260), (92, 759565), (115, 607652), (146, 478630), (230, 303826), (292, 239315), (365, 191452), (460, 151913), (730, 95726), (1460, 47863), (1679, 41620), (2081, 33580), (3358, 20810), (4162, 16790), (6716, 10405), (8324, 8395)]