217897470

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{345869}}^1$

素因数の和:345889

約数の個数: 48

約数和(自身を含む): 647468640

約数和(自身を除く): 429571170

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 345869, 691738, 1037607, 1729345, 2075214, 2421083, 3112821, 3458690, 4842166, 5188035, 6225642, 7263249, 10376070, 12105415, 14526498, 15564105, 21789747, 24210830, 31128210, 36316245, 43579494, 72632490, 108948735, 217897470]

約数ペア:

[(1, 217897470), (2, 108948735), (3, 72632490), (5, 43579494), (6, 36316245), (7, 31128210), (9, 24210830), (10, 21789747), (14, 15564105), (15, 14526498), (18, 12105415), (21, 10376070), (30, 7263249), (35, 6225642), (42, 5188035), (45, 4842166), (63, 3458690), (70, 3112821), (90, 2421083), (105, 2075214), (126, 1729345), (210, 1037607), (315, 691738), (630, 345869)]