68640460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{2141}}^1$

素因数の和:2386

約数の個数: 48

約数和(自身を含む): 165533760

約数和(自身を除く): 96893300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 229, 458, 916, 1145, 1603, 2141, 2290, 3206, 4282, 4580, 6412, 8015, 8564, 10705, 14987, 16030, 21410, 29974, 32060, 42820, 59948, 74935, 149870, 299740, 490289, 980578, 1961156, 2451445, 3432023, 4902890, 6864046, 9805780, 13728092, 17160115, 34320230, 68640460]

約数ペア:

[(1, 68640460), (2, 34320230), (4, 17160115), (5, 13728092), (7, 9805780), (10, 6864046), (14, 4902890), (20, 3432023), (28, 2451445), (35, 1961156), (70, 980578), (140, 490289), (229, 299740), (458, 149870), (916, 74935), (1145, 59948), (1603, 42820), (2141, 32060), (2290, 29974), (3206, 21410), (4282, 16030), (4580, 14987), (6412, 10705), (8015, 8564)]