997559860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{57397}}^1$

素因数の和:57496

約数の個数: 48

約数和(自身を含む): 2314287360

約数和(自身を除く): 1316727500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4345, 8690, 17380, 57397, 114794, 229588, 286985, 573970, 631367, 1147940, 1262734, 2525468, 3156835, 4534363, 6313670, 9068726, 12627340, 18137452, 22671815, 45343630, 49877993, 90687260, 99755986, 199511972, 249389965, 498779930, 997559860]

約数ペア:

[(1, 997559860), (2, 498779930), (4, 249389965), (5, 199511972), (10, 99755986), (11, 90687260), (20, 49877993), (22, 45343630), (44, 22671815), (55, 18137452), (79, 12627340), (110, 9068726), (158, 6313670), (220, 4534363), (316, 3156835), (395, 2525468), (790, 1262734), (869, 1147940), (1580, 631367), (1738, 573970), (3476, 286985), (4345, 229588), (8690, 114794), (17380, 57397)]