207800120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{472273}}^1$

素因数の和:472295

約数の個数: 32

約数和(自身を含む): 510055920

約数和(自身を除く): 302255800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 472273, 944546, 1889092, 2361365, 3778184, 4722730, 5195003, 9445460, 10390006, 18890920, 20780012, 25975015, 41560024, 51950030, 103900060, 207800120]

約数ペア:

[(1, 207800120), (2, 103900060), (4, 51950030), (5, 41560024), (8, 25975015), (10, 20780012), (11, 18890920), (20, 10390006), (22, 9445460), (40, 5195003), (44, 4722730), (55, 3778184), (88, 2361365), (110, 1889092), (220, 944546), (440, 472273)]