28838220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{523}}^1\times {\mathrm{919}}^1$

素因数の和:1454

約数の個数: 48

約数和(自身を含む): 80989440

約数和(自身を除く): 52151220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 523, 919, 1046, 1569, 1838, 2092, 2615, 2757, 3138, 3676, 4595, 5230, 5514, 6276, 7845, 9190, 10460, 11028, 13785, 15690, 18380, 27570, 31380, 55140, 480637, 961274, 1441911, 1922548, 2403185, 2883822, 4806370, 5767644, 7209555, 9612740, 14419110, 28838220]

約数ペア:

[(1, 28838220), (2, 14419110), (3, 9612740), (4, 7209555), (5, 5767644), (6, 4806370), (10, 2883822), (12, 2403185), (15, 1922548), (20, 1441911), (30, 961274), (60, 480637), (523, 55140), (919, 31380), (1046, 27570), (1569, 18380), (1838, 15690), (2092, 13785), (2615, 11028), (2757, 10460), (3138, 9190), (3676, 7845), (4595, 6276), (5230, 5514)]