8416870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:685

約数の個数: 64

約数和(自身を含む): 20030976

約数和(自身を除く): 11614106

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 34, 35, 55, 70, 77, 85, 110, 119, 154, 170, 187, 238, 374, 385, 595, 643, 770, 935, 1190, 1286, 1309, 1870, 2618, 3215, 4501, 6430, 6545, 7073, 9002, 10931, 13090, 14146, 21862, 22505, 35365, 45010, 49511, 54655, 70730, 76517, 99022, 109310, 120241, 153034, 240482, 247555, 382585, 495110, 601205, 765170, 841687, 1202410, 1683374, 4208435, 8416870]

約数ペア:

[(1, 8416870), (2, 4208435), (5, 1683374), (7, 1202410), (10, 841687), (11, 765170), (14, 601205), (17, 495110), (22, 382585), (34, 247555), (35, 240482), (55, 153034), (70, 120241), (77, 109310), (85, 99022), (110, 76517), (119, 70730), (154, 54655), (170, 49511), (187, 45010), (238, 35365), (374, 22505), (385, 21862), (595, 14146), (643, 13090), (770, 10931), (935, 9002), (1190, 7073), (1286, 6545), (1309, 6430), (1870, 4501), (2618, 3215)]