8181590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:209

約数の個数: 48

約数和(自身を含む): 16578000

約数和(自身を除く): 8396410

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 149, 170, 190, 289, 298, 323, 578, 646, 745, 1445, 1490, 1615, 2533, 2831, 2890, 3230, 5066, 5491, 5662, 10982, 12665, 14155, 25330, 27455, 28310, 43061, 48127, 54910, 86122, 96254, 215305, 240635, 430610, 481270, 818159, 1636318, 4090795, 8181590]

約数ペア:

[(1, 8181590), (2, 4090795), (5, 1636318), (10, 818159), (17, 481270), (19, 430610), (34, 240635), (38, 215305), (85, 96254), (95, 86122), (149, 54910), (170, 48127), (190, 43061), (289, 28310), (298, 27455), (323, 25330), (578, 14155), (646, 12665), (745, 10982), (1445, 5662), (1490, 5491), (1615, 5066), (2533, 3230), (2831, 2890)]