201631780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{49663}}^1$

素因数の和:49708

約数の個数: 48

約数和(自身を含む): 500613120

約数和(自身を除く): 298981340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 49663, 99326, 198652, 248315, 347641, 496630, 695282, 993260, 1390564, 1440227, 1738205, 2880454, 3476410, 5760908, 6952820, 7201135, 10081589, 14402270, 20163178, 28804540, 40326356, 50407945, 100815890, 201631780]

約数ペア:

[(1, 201631780), (2, 100815890), (4, 50407945), (5, 40326356), (7, 28804540), (10, 20163178), (14, 14402270), (20, 10081589), (28, 7201135), (29, 6952820), (35, 5760908), (58, 3476410), (70, 2880454), (116, 1738205), (140, 1440227), (145, 1390564), (203, 993260), (290, 695282), (406, 496630), (580, 347641), (812, 248315), (1015, 198652), (2030, 99326), (4060, 49663)]