258382040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{12641}}^1$

素因数の和:12732

約数の個数: 64

約数和(自身を含む): 673565760

約数和(自身を除く): 415183720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 2044, 2555, 2920, 4088, 5110, 10220, 12641, 20440, 25282, 50564, 63205, 88487, 101128, 126410, 176974, 252820, 353948, 442435, 505640, 707896, 884870, 922793, 1769740, 1845586, 3539480, 3691172, 4613965, 6459551, 7382344, 9227930, 12919102, 18455860, 25838204, 32297755, 36911720, 51676408, 64595510, 129191020, 258382040]

約数ペア:

[(1, 258382040), (2, 129191020), (4, 64595510), (5, 51676408), (7, 36911720), (8, 32297755), (10, 25838204), (14, 18455860), (20, 12919102), (28, 9227930), (35, 7382344), (40, 6459551), (56, 4613965), (70, 3691172), (73, 3539480), (140, 1845586), (146, 1769740), (280, 922793), (292, 884870), (365, 707896), (511, 505640), (584, 442435), (730, 353948), (1022, 252820), (1460, 176974), (2044, 126410), (2555, 101128), (2920, 88487), (4088, 63205), (5110, 50564), (10220, 25282), (12641, 20440)]