255044780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1\times {\mathrm{613}}^1$

素因数の和:986

約数の個数: 48

約数和(自身を含む): 545880384

約数和(自身を除く): 290835604

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 293, 355, 586, 613, 710, 1172, 1226, 1420, 1465, 2452, 2930, 3065, 5860, 6130, 12260, 20803, 41606, 43523, 83212, 87046, 104015, 174092, 179609, 208030, 217615, 359218, 416060, 435230, 718436, 870460, 898045, 1796090, 3592180, 12752239, 25504478, 51008956, 63761195, 127522390, 255044780]

約数ペア:

[(1, 255044780), (2, 127522390), (4, 63761195), (5, 51008956), (10, 25504478), (20, 12752239), (71, 3592180), (142, 1796090), (284, 898045), (293, 870460), (355, 718436), (586, 435230), (613, 416060), (710, 359218), (1172, 217615), (1226, 208030), (1420, 179609), (1465, 174092), (2452, 104015), (2930, 87046), (3065, 83212), (5860, 43523), (6130, 41606), (12260, 20803)]