210890900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{601}}^1$

素因数の和:666

約数の個数: 108

約数和(自身を含む): 521229660

約数和(自身を除く): 310338760

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 100, 110, 116, 121, 145, 220, 242, 275, 290, 319, 484, 550, 580, 601, 605, 638, 725, 1100, 1202, 1210, 1276, 1450, 1595, 2404, 2420, 2900, 3005, 3025, 3190, 3509, 6010, 6050, 6380, 6611, 7018, 7975, 12020, 12100, 13222, 14036, 15025, 15950, 17429, 17545, 26444, 30050, 31900, 33055, 34858, 35090, 60100, 66110, 69716, 70180, 72721, 87145, 87725, 132220, 145442, 165275, 174290, 175450, 191719, 290884, 330550, 348580, 350900, 363605, 383438, 435725, 661100, 727210, 766876, 871450, 958595, 1454420, 1742900, 1818025, 1917190, 2108909, 3636050, 3834380, 4217818, 4792975, 7272100, 8435636, 9585950, 10544545, 19171900, 21089090, 42178180, 52722725, 105445450, 210890900]

約数ペア:

[(1, 210890900), (2, 105445450), (4, 52722725), (5, 42178180), (10, 21089090), (11, 19171900), (20, 10544545), (22, 9585950), (25, 8435636), (29, 7272100), (44, 4792975), (50, 4217818), (55, 3834380), (58, 3636050), (100, 2108909), (110, 1917190), (116, 1818025), (121, 1742900), (145, 1454420), (220, 958595), (242, 871450), (275, 766876), (290, 727210), (319, 661100), (484, 435725), (550, 383438), (580, 363605), (601, 350900), (605, 348580), (638, 330550), (725, 290884), (1100, 191719), (1202, 175450), (1210, 174290), (1276, 165275), (1450, 145442), (1595, 132220), (2404, 87725), (2420, 87145), (2900, 72721), (3005, 70180), (3025, 69716), (3190, 66110), (3509, 60100), (6010, 35090), (6050, 34858), (6380, 33055), (6611, 31900), (7018, 30050), (7975, 26444), (12020, 17545), (12100, 17429), (13222, 15950), (14036, 15025)]