318342019960

素因数分解:

$2^3\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{6475631}}^1$

素因数の和:6476871

約数の個数: 32

約数和(自身を含む): 716852462400

約数和(自身を除く): 398510442440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1229, 2458, 4916, 6145, 9832, 12290, 24580, 49160, 6475631, 12951262, 25902524, 32378155, 51805048, 64756310, 129512620, 259025240, 7958550499, 15917100998, 31834201996, 39792752495, 63668403992, 79585504990, 159171009980, 318342019960]

約数ペア:

[(1, 318342019960), (2, 159171009980), (4, 79585504990), (5, 63668403992), (8, 39792752495), (10, 31834201996), (20, 15917100998), (40, 7958550499), (1229, 259025240), (2458, 129512620), (4916, 64756310), (6145, 51805048), (9832, 32378155), (12290, 25902524), (24580, 12951262), (49160, 6475631)]