2215008740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{821}}^1\times {\mathrm{2753}}^1$

素因数の和:3597

約数の個数: 72

約数和(自身を含む): 5419508472

約数和(自身を除く): 3204499732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 821, 980, 1642, 2753, 3284, 4105, 5506, 5747, 8210, 11012, 11494, 13765, 16420, 19271, 22988, 27530, 28735, 38542, 40229, 55060, 57470, 77084, 80458, 96355, 114940, 134897, 160916, 192710, 201145, 269794, 385420, 402290, 539588, 674485, 804580, 1348970, 2260213, 2697940, 4520426, 9040852, 11301065, 15821491, 22602130, 31642982, 45204260, 63285964, 79107455, 110750437, 158214910, 221500874, 316429820, 443001748, 553752185, 1107504370, 2215008740]

約数ペア:

[(1, 2215008740), (2, 1107504370), (4, 553752185), (5, 443001748), (7, 316429820), (10, 221500874), (14, 158214910), (20, 110750437), (28, 79107455), (35, 63285964), (49, 45204260), (70, 31642982), (98, 22602130), (140, 15821491), (196, 11301065), (245, 9040852), (490, 4520426), (821, 2697940), (980, 2260213), (1642, 1348970), (2753, 804580), (3284, 674485), (4105, 539588), (5506, 402290), (5747, 385420), (8210, 269794), (11012, 201145), (11494, 192710), (13765, 160916), (16420, 134897), (19271, 114940), (22988, 96355), (27530, 80458), (28735, 77084), (38542, 57470), (40229, 55060)]