2019937700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{1721}}^1$

素因数の和:1854

約数の個数: 108

約数和(自身を含む): 4870466916

約数和(自身を除く): 2850529216

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 97, 100, 110, 121, 194, 220, 242, 275, 388, 484, 485, 550, 605, 970, 1067, 1100, 1210, 1721, 1940, 2134, 2420, 2425, 3025, 3442, 4268, 4850, 5335, 6050, 6884, 8605, 9700, 10670, 11737, 12100, 17210, 18931, 21340, 23474, 26675, 34420, 37862, 43025, 46948, 53350, 58685, 75724, 86050, 94655, 106700, 117370, 166937, 172100, 189310, 208241, 234740, 293425, 333874, 378620, 416482, 473275, 586850, 667748, 832964, 834685, 946550, 1041205, 1173700, 1669370, 1836307, 1893100, 2082410, 3338740, 3672614, 4164820, 4173425, 5206025, 7345228, 8346850, 9181535, 10412050, 16693700, 18363070, 20199377, 20824100, 36726140, 40398754, 45907675, 80797508, 91815350, 100996885, 183630700, 201993770, 403987540, 504984425, 1009968850, 2019937700]

約数ペア:

[(1, 2019937700), (2, 1009968850), (4, 504984425), (5, 403987540), (10, 201993770), (11, 183630700), (20, 100996885), (22, 91815350), (25, 80797508), (44, 45907675), (50, 40398754), (55, 36726140), (97, 20824100), (100, 20199377), (110, 18363070), (121, 16693700), (194, 10412050), (220, 9181535), (242, 8346850), (275, 7345228), (388, 5206025), (484, 4173425), (485, 4164820), (550, 3672614), (605, 3338740), (970, 2082410), (1067, 1893100), (1100, 1836307), (1210, 1669370), (1721, 1173700), (1940, 1041205), (2134, 946550), (2420, 834685), (2425, 832964), (3025, 667748), (3442, 586850), (4268, 473275), (4850, 416482), (5335, 378620), (6050, 333874), (6884, 293425), (8605, 234740), (9700, 208241), (10670, 189310), (11737, 172100), (12100, 166937), (17210, 117370), (18931, 106700), (21340, 94655), (23474, 86050), (26675, 75724), (34420, 58685), (37862, 53350), (43025, 46948)]