212749020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107449}}^1$

素因数の和:107475

約数の個数: 72

約数和(自身を含む): 704012400

約数和(自身を除く): 491263380

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, 107449, 214898, 322347, 429796, 537245, 644694, 967041, 1074490, 1181939, 1289388, 1611735, 1934082, 2148980, 2363878, 3223470, 3545817, 3868164, 4727756, 4835205, 5909695, 6446940, 7091634, 9670410, 10637451, 11819390, 14183268, 17729085, 19340820, 21274902, 23638780, 35458170, 42549804, 53187255, 70916340, 106374510, 212749020]

約数ペア:

[(1, 212749020), (2, 106374510), (3, 70916340), (4, 53187255), (5, 42549804), (6, 35458170), (9, 23638780), (10, 21274902), (11, 19340820), (12, 17729085), (15, 14183268), (18, 11819390), (20, 10637451), (22, 9670410), (30, 7091634), (33, 6446940), (36, 5909695), (44, 4835205), (45, 4727756), (55, 3868164), (60, 3545817), (66, 3223470), (90, 2363878), (99, 2148980), (110, 1934082), (132, 1611735), (165, 1289388), (180, 1181939), (198, 1074490), (220, 967041), (330, 644694), (396, 537245), (495, 429796), (660, 322347), (990, 214898), (1980, 107449)]