42495740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:547

約数の個数: 72

約数和(自身を含む): 105067872

約数和(自身を除く): 62572132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 103, 140, 196, 206, 245, 412, 421, 490, 515, 721, 842, 980, 1030, 1442, 1684, 2060, 2105, 2884, 2947, 3605, 4210, 5047, 5894, 7210, 8420, 10094, 11788, 14420, 14735, 20188, 20629, 25235, 29470, 41258, 43363, 50470, 58940, 82516, 86726, 100940, 103145, 173452, 206290, 216815, 303541, 412580, 433630, 607082, 867260, 1214164, 1517705, 2124787, 3035410, 4249574, 6070820, 8499148, 10623935, 21247870, 42495740]

約数ペア:

[(1, 42495740), (2, 21247870), (4, 10623935), (5, 8499148), (7, 6070820), (10, 4249574), (14, 3035410), (20, 2124787), (28, 1517705), (35, 1214164), (49, 867260), (70, 607082), (98, 433630), (103, 412580), (140, 303541), (196, 216815), (206, 206290), (245, 173452), (412, 103145), (421, 100940), (490, 86726), (515, 82516), (721, 58940), (842, 50470), (980, 43363), (1030, 41258), (1442, 29470), (1684, 25235), (2060, 20629), (2105, 20188), (2884, 14735), (2947, 14420), (3605, 11788), (4210, 10094), (5047, 8420), (5894, 7210)]