87781890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{418009}}^1$

素因数の和:418026

約数の個数: 32

約数和(自身を含む): 240773760

約数和(自身を除く): 152991870

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 418009, 836018, 1254027, 2090045, 2508054, 2926063, 4180090, 5852126, 6270135, 8778189, 12540270, 14630315, 17556378, 29260630, 43890945, 87781890]

約数ペア:

[(1, 87781890), (2, 43890945), (3, 29260630), (5, 17556378), (6, 14630315), (7, 12540270), (10, 8778189), (14, 6270135), (15, 5852126), (21, 4180090), (30, 2926063), (35, 2508054), (42, 2090045), (70, 1254027), (105, 836018), (210, 418009)]