938616140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{19661}}^1$

素因数の和:19719

約数の個数: 96

約数和(自身を含む): 2536869888

約数和(自身を除く): 1598253748

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 77, 110, 124, 140, 154, 155, 217, 220, 308, 310, 341, 385, 434, 620, 682, 770, 868, 1085, 1364, 1540, 1705, 2170, 2387, 3410, 4340, 4774, 6820, 9548, 11935, 19661, 23870, 39322, 47740, 78644, 98305, 137627, 196610, 216271, 275254, 393220, 432542, 550508, 609491, 688135, 865084, 1081355, 1218982, 1376270, 1513897, 2162710, 2437964, 2752540, 3027794, 3047455, 4266437, 4325420, 6055588, 6094910, 6704401, 7569485, 8532874, 12189820, 13408802, 15138970, 17065748, 21332185, 26817604, 30277940, 33522005, 42664370, 46930807, 67044010, 85328740, 93861614, 134088020, 187723228, 234654035, 469308070, 938616140]

約数ペア:

[(1, 938616140), (2, 469308070), (4, 234654035), (5, 187723228), (7, 134088020), (10, 93861614), (11, 85328740), (14, 67044010), (20, 46930807), (22, 42664370), (28, 33522005), (31, 30277940), (35, 26817604), (44, 21332185), (55, 17065748), (62, 15138970), (70, 13408802), (77, 12189820), (110, 8532874), (124, 7569485), (140, 6704401), (154, 6094910), (155, 6055588), (217, 4325420), (220, 4266437), (308, 3047455), (310, 3027794), (341, 2752540), (385, 2437964), (434, 2162710), (620, 1513897), (682, 1376270), (770, 1218982), (868, 1081355), (1085, 865084), (1364, 688135), (1540, 609491), (1705, 550508), (2170, 432542), (2387, 393220), (3410, 275254), (4340, 216271), (4774, 196610), (6820, 137627), (9548, 98305), (11935, 78644), (19661, 47740), (23870, 39322)]