8961890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{443}}^1$

素因数の和:491

約数の個数: 48

約数和(自身を含む): 19628352

約数和(自身を除く): 10666462

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 289, 443, 578, 595, 886, 1190, 1445, 2023, 2215, 2890, 3101, 4046, 4430, 6202, 7531, 10115, 15062, 15505, 20230, 31010, 37655, 52717, 75310, 105434, 128027, 256054, 263585, 527170, 640135, 896189, 1280270, 1792378, 4480945, 8961890]

約数ペア:

[(1, 8961890), (2, 4480945), (5, 1792378), (7, 1280270), (10, 896189), (14, 640135), (17, 527170), (34, 263585), (35, 256054), (70, 128027), (85, 105434), (119, 75310), (170, 52717), (238, 37655), (289, 31010), (443, 20230), (578, 15505), (595, 15062), (886, 10115), (1190, 7531), (1445, 6202), (2023, 4430), (2215, 4046), (2890, 3101)]