900626980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{215461}}^1$

素因数の和:215500

約数の個数: 48

約数和(自身を含む): 2171856960

約数和(自身を除く): 1271229980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 215461, 430922, 861844, 1077305, 2154610, 2370071, 4093759, 4309220, 4740142, 8187518, 9480284, 11850355, 16375036, 20468795, 23700710, 40937590, 45031349, 47401420, 81875180, 90062698, 180125396, 225156745, 450313490, 900626980]

約数ペア:

[(1, 900626980), (2, 450313490), (4, 225156745), (5, 180125396), (10, 90062698), (11, 81875180), (19, 47401420), (20, 45031349), (22, 40937590), (38, 23700710), (44, 20468795), (55, 16375036), (76, 11850355), (95, 9480284), (110, 8187518), (190, 4740142), (209, 4309220), (220, 4093759), (380, 2370071), (418, 2154610), (836, 1077305), (1045, 861844), (2090, 430922), (4180, 215461)]