631036780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{2437}}^1$

素因数の和:2575

約数の個数: 72

約数和(自身を含む): 1470816144

約数和(自身を除く): 839779364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 121, 214, 220, 242, 428, 484, 535, 605, 1070, 1177, 1210, 2140, 2354, 2420, 2437, 4708, 4874, 5885, 9748, 11770, 12185, 12947, 23540, 24370, 25894, 26807, 48740, 51788, 53614, 64735, 107228, 129470, 134035, 258940, 260759, 268070, 294877, 521518, 536140, 589754, 1043036, 1179508, 1303795, 1474385, 2607590, 2868349, 2948770, 5215180, 5736698, 5897540, 11473396, 14341745, 28683490, 31551839, 57366980, 63103678, 126207356, 157759195, 315518390, 631036780]

約数ペア:

[(1, 631036780), (2, 315518390), (4, 157759195), (5, 126207356), (10, 63103678), (11, 57366980), (20, 31551839), (22, 28683490), (44, 14341745), (55, 11473396), (107, 5897540), (110, 5736698), (121, 5215180), (214, 2948770), (220, 2868349), (242, 2607590), (428, 1474385), (484, 1303795), (535, 1179508), (605, 1043036), (1070, 589754), (1177, 536140), (1210, 521518), (2140, 294877), (2354, 268070), (2420, 260759), (2437, 258940), (4708, 134035), (4874, 129470), (5885, 107228), (9748, 64735), (11770, 53614), (12185, 51788), (12947, 48740), (23540, 26807), (24370, 25894)]