215211670

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{66629}}^1$

素因数の和:66672

約数の個数: 32

約数和(自身を含む): 431762400

約数和(自身を除く): 216550730

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 66629, 133258, 333145, 666290, 1132693, 1265951, 2265386, 2531902, 5663465, 6329755, 11326930, 12659510, 21521167, 43042334, 107605835, 215211670]

約数ペア:

[(1, 215211670), (2, 107605835), (5, 43042334), (10, 21521167), (17, 12659510), (19, 11326930), (34, 6329755), (38, 5663465), (85, 2531902), (95, 2265386), (170, 1265951), (190, 1132693), (323, 666290), (646, 333145), (1615, 133258), (3230, 66629)]