804946780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{192571}}^1$

素因数の和:192610

約数の個数: 48

約数和(自身を含む): 1941125760

約数和(自身を除く): 1136178980

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, 192571, 385142, 770284, 962855, 1925710, 2118281, 3658849, 3851420, 4236562, 7317698, 8473124, 10591405, 14635396, 18294245, 21182810, 36588490, 40247339, 42365620, 73176980, 80494678, 160989356, 201236695, 402473390, 804946780]

約数ペア:

[(1, 804946780), (2, 402473390), (4, 201236695), (5, 160989356), (10, 80494678), (11, 73176980), (19, 42365620), (20, 40247339), (22, 36588490), (38, 21182810), (44, 18294245), (55, 14635396), (76, 10591405), (95, 8473124), (110, 7317698), (190, 4236562), (209, 3851420), (220, 3658849), (380, 2118281), (418, 1925710), (836, 962855), (1045, 770284), (2090, 385142), (4180, 192571)]