69445880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{248021}}^1$

素因数の和:248039

約数の個数: 32

約数和(自身を含む): 178575840

約数和(自身を除く): 109129960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 248021, 496042, 992084, 1240105, 1736147, 1984168, 2480210, 3472294, 4960420, 6944588, 8680735, 9920840, 13889176, 17361470, 34722940, 69445880]

約数ペア:

[(1, 69445880), (2, 34722940), (4, 17361470), (5, 13889176), (7, 9920840), (8, 8680735), (10, 6944588), (14, 4960420), (20, 3472294), (28, 2480210), (35, 1984168), (40, 1736147), (56, 1240105), (70, 992084), (140, 496042), (280, 248021)]