51818340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{123377}}^1$

素因数の和:123396

約数の個数: 48

約数和(自身を含む): 165820032

約数和(自身を除く): 114001692

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 123377, 246754, 370131, 493508, 616885, 740262, 863639, 1233770, 1480524, 1727278, 1850655, 2467540, 2590917, 3454556, 3701310, 4318195, 5181834, 7402620, 8636390, 10363668, 12954585, 17272780, 25909170, 51818340]

約数ペア:

[(1, 51818340), (2, 25909170), (3, 17272780), (4, 12954585), (5, 10363668), (6, 8636390), (7, 7402620), (10, 5181834), (12, 4318195), (14, 3701310), (15, 3454556), (20, 2590917), (21, 2467540), (28, 1850655), (30, 1727278), (35, 1480524), (42, 1233770), (60, 863639), (70, 740262), (84, 616885), (105, 493508), (140, 370131), (210, 246754), (420, 123377)]