320410390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{4973}}^1$

素因数の和:5376

約数の個数: 32

約数和(自身を含む): 612398880

約数和(自身を除く): 291988490

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 379, 758, 1895, 3790, 4973, 6443, 9946, 12886, 24865, 32215, 49730, 64430, 84541, 169082, 422705, 845410, 1884767, 3769534, 9423835, 18847670, 32041039, 64082078, 160205195, 320410390]

約数ペア:

[(1, 320410390), (2, 160205195), (5, 64082078), (10, 32041039), (17, 18847670), (34, 9423835), (85, 3769534), (170, 1884767), (379, 845410), (758, 422705), (1895, 169082), (3790, 84541), (4973, 64430), (6443, 49730), (9946, 32215), (12886, 24865)]