988290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:231

約数の個数: 48

約数和(自身を含む): 2620800

約数和(自身を除く): 1632510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 79, 90, 139, 158, 237, 278, 395, 417, 474, 695, 711, 790, 834, 1185, 1251, 1390, 1422, 2085, 2370, 2502, 3555, 4170, 6255, 7110, 10981, 12510, 21962, 32943, 54905, 65886, 98829, 109810, 164715, 197658, 329430, 494145, 988290]

約数ペア:

[(1, 988290), (2, 494145), (3, 329430), (5, 197658), (6, 164715), (9, 109810), (10, 98829), (15, 65886), (18, 54905), (30, 32943), (45, 21962), (79, 12510), (90, 10981), (139, 7110), (158, 6255), (237, 4170), (278, 3555), (395, 2502), (417, 2370), (474, 2085), (695, 1422), (711, 1390), (790, 1251), (834, 1185)]