696750820

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1\times {\mathrm{1021}}^1$

素因数の和:1408

約数の個数: 48

約数和(自身を含む): 1480878000

約数和(自身を除く): 784127180

約数列:

[1, 2, 4, 5, 10, 20, 149, 229, 298, 458, 596, 745, 916, 1021, 1145, 1490, 2042, 2290, 2980, 4084, 4580, 5105, 10210, 20420, 34121, 68242, 136484, 152129, 170605, 233809, 304258, 341210, 467618, 608516, 682420, 760645, 935236, 1169045, 1521290, 2338090, 3042580, 4676180, 34837541, 69675082, 139350164, 174187705, 348375410, 696750820]

約数ペア:

[(1, 696750820), (2, 348375410), (4, 174187705), (5, 139350164), (10, 69675082), (20, 34837541), (149, 4676180), (229, 3042580), (298, 2338090), (458, 1521290), (596, 1169045), (745, 935236), (916, 760645), (1021, 682420), (1145, 608516), (1490, 467618), (2042, 341210), (2290, 304258), (2980, 233809), (4084, 170605), (4580, 152129), (5105, 136484), (10210, 68242), (20420, 34121)]