7968730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 18247680

約数和(自身を除く): 10278950

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 79, 110, 131, 154, 158, 262, 385, 395, 553, 655, 770, 790, 869, 917, 1106, 1310, 1441, 1738, 1834, 2765, 2882, 4345, 4585, 5530, 6083, 7205, 8690, 9170, 10087, 10349, 12166, 14410, 20174, 20698, 30415, 50435, 51745, 60830, 72443, 100870, 103490, 113839, 144886, 227678, 362215, 569195, 724430, 796873, 1138390, 1593746, 3984365, 7968730]

約数ペア:

[(1, 7968730), (2, 3984365), (5, 1593746), (7, 1138390), (10, 796873), (11, 724430), (14, 569195), (22, 362215), (35, 227678), (55, 144886), (70, 113839), (77, 103490), (79, 100870), (110, 72443), (131, 60830), (154, 51745), (158, 50435), (262, 30415), (385, 20698), (395, 20174), (553, 14410), (655, 12166), (770, 10349), (790, 10087), (869, 9170), (917, 8690), (1106, 7205), (1310, 6083), (1441, 5530), (1738, 4585), (1834, 4345), (2765, 2882)]