43540780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{769}}^1$

素因数の和:946

約数の個数: 48

約数和(自身を含む): 97020000

約数和(自身を除く): 53479220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 149, 190, 298, 380, 596, 745, 769, 1490, 1538, 2831, 2980, 3076, 3845, 5662, 7690, 11324, 14155, 14611, 15380, 28310, 29222, 56620, 58444, 73055, 114581, 146110, 229162, 292220, 458324, 572905, 1145810, 2177039, 2291620, 4354078, 8708156, 10885195, 21770390, 43540780]

約数ペア:

[(1, 43540780), (2, 21770390), (4, 10885195), (5, 8708156), (10, 4354078), (19, 2291620), (20, 2177039), (38, 1145810), (76, 572905), (95, 458324), (149, 292220), (190, 229162), (298, 146110), (380, 114581), (596, 73055), (745, 58444), (769, 56620), (1490, 29222), (1538, 28310), (2831, 15380), (2980, 14611), (3076, 14155), (3845, 11324), (5662, 7690)]