8321390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:233

約数の個数: 64

約数和(自身を含む): 19035648

約数和(自身を除く): 10714258

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 101, 107, 110, 154, 202, 214, 385, 505, 535, 707, 749, 770, 1010, 1070, 1111, 1177, 1414, 1498, 2222, 2354, 3535, 3745, 5555, 5885, 7070, 7490, 7777, 8239, 10807, 11110, 11770, 15554, 16478, 21614, 38885, 41195, 54035, 75649, 77770, 82390, 108070, 118877, 151298, 237754, 378245, 594385, 756490, 832139, 1188770, 1664278, 4160695, 8321390]

約数ペア:

[(1, 8321390), (2, 4160695), (5, 1664278), (7, 1188770), (10, 832139), (11, 756490), (14, 594385), (22, 378245), (35, 237754), (55, 151298), (70, 118877), (77, 108070), (101, 82390), (107, 77770), (110, 75649), (154, 54035), (202, 41195), (214, 38885), (385, 21614), (505, 16478), (535, 15554), (707, 11770), (749, 11110), (770, 10807), (1010, 8239), (1070, 7777), (1111, 7490), (1177, 7070), (1414, 5885), (1498, 5555), (2222, 3745), (2354, 3535)]