1520492860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1949}}^1\times {\mathrm{2053}}^1$

素因数の和:4030

約数の個数: 48

約数和(自身を含む): 3364452000

約数和(自身を除く): 1843959140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1949, 2053, 3898, 4106, 7796, 8212, 9745, 10265, 19490, 20530, 37031, 38980, 39007, 41060, 74062, 78014, 148124, 156028, 185155, 195035, 370310, 390070, 740620, 780140, 4001297, 8002594, 16005188, 20006485, 40012970, 76024643, 80025940, 152049286, 304098572, 380123215, 760246430, 1520492860]

約数ペア:

[(1, 1520492860), (2, 760246430), (4, 380123215), (5, 304098572), (10, 152049286), (19, 80025940), (20, 76024643), (38, 40012970), (76, 20006485), (95, 16005188), (190, 8002594), (380, 4001297), (1949, 780140), (2053, 740620), (3898, 390070), (4106, 370310), (7796, 195035), (8212, 185155), (9745, 156028), (10265, 148124), (19490, 78014), (20530, 74062), (37031, 41060), (38980, 39007)]