207996620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{17021}}^1$

素因数の和:17090

約数の個数: 48

約数和(自身を含む): 480428928

約数和(自身を除く): 272432308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 3055, 6110, 12220, 17021, 34042, 68084, 85105, 170210, 221273, 340420, 442546, 799987, 885092, 1106365, 1599974, 2212730, 3199948, 3999935, 4425460, 7999870, 10399831, 15999740, 20799662, 41599324, 51999155, 103998310, 207996620]

約数ペア:

[(1, 207996620), (2, 103998310), (4, 51999155), (5, 41599324), (10, 20799662), (13, 15999740), (20, 10399831), (26, 7999870), (47, 4425460), (52, 3999935), (65, 3199948), (94, 2212730), (130, 1599974), (188, 1106365), (235, 885092), (260, 799987), (470, 442546), (611, 340420), (940, 221273), (1222, 170210), (2444, 85105), (3055, 68084), (6110, 34042), (12220, 17021)]