278314890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{1325309}}^1$

素因数の和:1325326

約数の個数: 32

約数和(自身を含む): 763378560

約数和(自身を除く): 485063670

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 1325309, 2650618, 3975927, 6626545, 7951854, 9277163, 13253090, 18554326, 19879635, 27831489, 39759270, 46385815, 55662978, 92771630, 139157445, 278314890]

約数ペア:

[(1, 278314890), (2, 139157445), (3, 92771630), (5, 55662978), (6, 46385815), (7, 39759270), (10, 27831489), (14, 19879635), (15, 18554326), (21, 13253090), (30, 9277163), (35, 7951854), (42, 6626545), (70, 3975927), (105, 2650618), (210, 1325309)]