211228380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{106681}}^1$

素因数の和:106707

約数の個数: 72

約数和(自身を含む): 698980464

約数和(自身を除く): 487752084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 106681, 213362, 320043, 426724, 533405, 640086, 960129, 1066810, 1173491, 1280172, 1600215, 1920258, 2133620, 2346982, 3200430, 3520473, 3840516, 4693964, 4800645, 5867455, 6400860, 7040946, 9601290, 10561419, 11734910, 14081892, 17602365, 19202580, 21122838, 23469820, 35204730, 42245676, 52807095, 70409460, 105614190, 211228380]

約数ペア:

[(1, 211228380), (2, 105614190), (3, 70409460), (4, 52807095), (5, 42245676), (6, 35204730), (9, 23469820), (10, 21122838), (11, 19202580), (12, 17602365), (15, 14081892), (18, 11734910), (20, 10561419), (22, 9601290), (30, 7040946), (33, 6400860), (36, 5867455), (44, 4800645), (45, 4693964), (55, 3840516), (60, 3520473), (66, 3200430), (90, 2346982), (99, 2133620), (110, 1920258), (132, 1600215), (165, 1280172), (180, 1173491), (198, 1066810), (220, 960129), (330, 640086), (396, 533405), (495, 426724), (660, 320043), (990, 213362), (1980, 106681)]