171661580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{26573}}^1$

素因数の和:26618

約数の個数: 48

約数和(自身を含む): 401798880

約数和(自身を除く): 230137300

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 26573, 53146, 106292, 132865, 265730, 451741, 504887, 531460, 903482, 1009774, 1806964, 2019548, 2258705, 2524435, 4517410, 5048870, 8583079, 9034820, 10097740, 17166158, 34332316, 42915395, 85830790, 171661580]

約数ペア:

[(1, 171661580), (2, 85830790), (4, 42915395), (5, 34332316), (10, 17166158), (17, 10097740), (19, 9034820), (20, 8583079), (34, 5048870), (38, 4517410), (68, 2524435), (76, 2258705), (85, 2019548), (95, 1806964), (170, 1009774), (190, 903482), (323, 531460), (340, 504887), (380, 451741), (646, 265730), (1292, 132865), (1615, 106292), (3230, 53146), (6460, 26573)]