180985910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{21727}}^1$

素因数の和:21765

約数の個数: 48

約数和(自身を含む): 401272704

約数和(自身を除く): 220286794

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 170, 238, 245, 490, 595, 833, 1190, 1666, 4165, 8330, 21727, 43454, 108635, 152089, 217270, 304178, 369359, 738718, 760445, 1064623, 1520890, 1846795, 2129246, 2585513, 3693590, 5171026, 5323115, 10646230, 12927565, 18098591, 25855130, 36197182, 90492955, 180985910]

約数ペア:

[(1, 180985910), (2, 90492955), (5, 36197182), (7, 25855130), (10, 18098591), (14, 12927565), (17, 10646230), (34, 5323115), (35, 5171026), (49, 3693590), (70, 2585513), (85, 2129246), (98, 1846795), (119, 1520890), (170, 1064623), (238, 760445), (245, 738718), (490, 369359), (595, 304178), (833, 217270), (1190, 152089), (1666, 108635), (4165, 43454), (8330, 21727)]