2019907780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1249}}^1\times {\mathrm{7351}}^1$

素因数の和:8620

約数の個数: 48

約数和(自身を含む): 4631760000

約数和(自身を除く): 2611852220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1249, 2498, 4996, 6245, 7351, 12490, 13739, 14702, 24980, 27478, 29404, 36755, 54956, 68695, 73510, 80861, 137390, 147020, 161722, 274780, 323444, 404305, 808610, 1617220, 9181399, 18362798, 36725596, 45906995, 91813990, 100995389, 183627980, 201990778, 403981556, 504976945, 1009953890, 2019907780]

約数ペア:

[(1, 2019907780), (2, 1009953890), (4, 504976945), (5, 403981556), (10, 201990778), (11, 183627980), (20, 100995389), (22, 91813990), (44, 45906995), (55, 36725596), (110, 18362798), (220, 9181399), (1249, 1617220), (2498, 808610), (4996, 404305), (6245, 323444), (7351, 274780), (12490, 161722), (13739, 147020), (14702, 137390), (24980, 80861), (27478, 73510), (29404, 68695), (36755, 54956)]