74778280

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{25609}}^1$

素因数の和:25693

約数の個数: 32

約数和(自身を含む): 170562600

約数和(自身を除く): 95784320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 25609, 51218, 102436, 128045, 204872, 256090, 512180, 1024360, 1869457, 3738914, 7477828, 9347285, 14955656, 18694570, 37389140, 74778280]

約数ペア:

[(1, 74778280), (2, 37389140), (4, 18694570), (5, 14955656), (8, 9347285), (10, 7477828), (20, 3738914), (40, 1869457), (73, 1024360), (146, 512180), (292, 256090), (365, 204872), (584, 128045), (730, 102436), (1460, 51218), (2920, 25609)]