289573020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{146249}}^1$

素因数の和:146275

約数の個数: 72

約数和(自身を含む): 958230000

約数和(自身を除く): 668656980

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, 146249, 292498, 438747, 584996, 731245, 877494, 1316241, 1462490, 1608739, 1754988, 2193735, 2632482, 2924980, 3217478, 4387470, 4826217, 5264964, 6434956, 6581205, 8043695, 8774940, 9652434, 13162410, 14478651, 16087390, 19304868, 24131085, 26324820, 28957302, 32174780, 48262170, 57914604, 72393255, 96524340, 144786510, 289573020]

約数ペア:

[(1, 289573020), (2, 144786510), (3, 96524340), (4, 72393255), (5, 57914604), (6, 48262170), (9, 32174780), (10, 28957302), (11, 26324820), (12, 24131085), (15, 19304868), (18, 16087390), (20, 14478651), (22, 13162410), (30, 9652434), (33, 8774940), (36, 8043695), (44, 6581205), (45, 6434956), (55, 5264964), (60, 4826217), (66, 4387470), (90, 3217478), (99, 2924980), (110, 2632482), (132, 2193735), (165, 1754988), (180, 1608739), (198, 1462490), (220, 1316241), (330, 877494), (396, 731245), (495, 584996), (660, 438747), (990, 292498), (1980, 146249)]