201790820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{18719}}^1$

素因数の和:18753

約数の個数: 72

約数和(自身を含む): 537788160

約数和(自身を除く): 335997340

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 18719, 37438, 74876, 93595, 131033, 187190, 205909, 262066, 374380, 411818, 524132, 655165, 823636, 917231, 1029545, 1310330, 1441363, 1834462, 2059090, 2620660, 2882726, 3668924, 4118180, 4586155, 5765452, 7206815, 9172310, 10089541, 14413630, 18344620, 20179082, 28827260, 40358164, 50447705, 100895410, 201790820]

約数ペア:

[(1, 201790820), (2, 100895410), (4, 50447705), (5, 40358164), (7, 28827260), (10, 20179082), (11, 18344620), (14, 14413630), (20, 10089541), (22, 9172310), (28, 7206815), (35, 5765452), (44, 4586155), (49, 4118180), (55, 3668924), (70, 2882726), (77, 2620660), (98, 2059090), (110, 1834462), (140, 1441363), (154, 1310330), (196, 1029545), (220, 917231), (245, 823636), (308, 655165), (385, 524132), (490, 411818), (539, 374380), (770, 262066), (980, 205909), (1078, 187190), (1540, 131033), (2156, 93595), (2695, 74876), (5390, 37438), (10780, 18719)]