420121730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{315881}}^1$

素因数の和:315914

約数の個数: 32

約数和(自身を含む): 909740160

約数和(自身を除く): 489618430

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 315881, 631762, 1579405, 2211167, 3158810, 4422334, 6001739, 11055835, 12003478, 22111670, 30008695, 42012173, 60017390, 84024346, 210060865, 420121730]

約数ペア:

[(1, 420121730), (2, 210060865), (5, 84024346), (7, 60017390), (10, 42012173), (14, 30008695), (19, 22111670), (35, 12003478), (38, 11055835), (70, 6001739), (95, 4422334), (133, 3158810), (190, 2211167), (266, 1579405), (665, 631762), (1330, 315881)]