205261910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{172489}}^1$

素因数の和:172520

約数の個数: 32

約数和(自身を含む): 447094080

約数和(自身を除く): 241832170

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 172489, 344978, 862445, 1207423, 1724890, 2414846, 2932313, 5864626, 6037115, 12074230, 14661565, 20526191, 29323130, 41052382, 102630955, 205261910]

約数ペア:

[(1, 205261910), (2, 102630955), (5, 41052382), (7, 29323130), (10, 20526191), (14, 14661565), (17, 12074230), (34, 6037115), (35, 5864626), (70, 2932313), (85, 2414846), (119, 1724890), (170, 1207423), (238, 862445), (595, 344978), (1190, 172489)]