2171860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{113}}^1$

素因数の和:184

約数の個数: 36

約数和(自身を含む): 4754484

約数和(自身を除く): 2582624

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 113, 124, 155, 226, 310, 452, 565, 620, 961, 1130, 1922, 2260, 3503, 3844, 4805, 7006, 9610, 14012, 17515, 19220, 35030, 70060, 108593, 217186, 434372, 542965, 1085930, 2171860]

約数ペア:

[(1, 2171860), (2, 1085930), (4, 542965), (5, 434372), (10, 217186), (20, 108593), (31, 70060), (62, 35030), (113, 19220), (124, 17515), (155, 14012), (226, 9610), (310, 7006), (452, 4805), (565, 3844), (620, 3503), (961, 2260), (1130, 1922)]