210585980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{173}}^1\times {\mathrm{503}}^1$

素因数の和:707

約数の個数: 72

約数和(自身を含む): 489869856

約数和(自身を除く): 279283876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 173, 220, 242, 346, 484, 503, 605, 692, 865, 1006, 1210, 1730, 1903, 2012, 2420, 2515, 3460, 3806, 5030, 5533, 7612, 9515, 10060, 11066, 19030, 20933, 22132, 27665, 38060, 41866, 55330, 60863, 83732, 87019, 104665, 110660, 121726, 174038, 209330, 243452, 304315, 348076, 418660, 435095, 608630, 870190, 957209, 1217260, 1740380, 1914418, 3828836, 4786045, 9572090, 10529299, 19144180, 21058598, 42117196, 52646495, 105292990, 210585980]

約数ペア:

[(1, 210585980), (2, 105292990), (4, 52646495), (5, 42117196), (10, 21058598), (11, 19144180), (20, 10529299), (22, 9572090), (44, 4786045), (55, 3828836), (110, 1914418), (121, 1740380), (173, 1217260), (220, 957209), (242, 870190), (346, 608630), (484, 435095), (503, 418660), (605, 348076), (692, 304315), (865, 243452), (1006, 209330), (1210, 174038), (1730, 121726), (1903, 110660), (2012, 104665), (2420, 87019), (2515, 83732), (3460, 60863), (3806, 55330), (5030, 41866), (5533, 38060), (7612, 27665), (9515, 22132), (10060, 20933), (11066, 19030)]