289780330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{17321}}^1$

素因数の和:17574

約数の個数: 32

約数和(自身を含む): 598648320

約数和(自身を除く): 308867990

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 239, 478, 1195, 1673, 2390, 3346, 8365, 16730, 17321, 34642, 86605, 121247, 173210, 242494, 606235, 1212470, 4139719, 8279438, 20698595, 28978033, 41397190, 57956066, 144890165, 289780330]

約数ペア:

[(1, 289780330), (2, 144890165), (5, 57956066), (7, 41397190), (10, 28978033), (14, 20698595), (35, 8279438), (70, 4139719), (239, 1212470), (478, 606235), (1195, 242494), (1673, 173210), (2390, 121247), (3346, 86605), (8365, 34642), (16730, 17321)]