765897980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1\times {\mathrm{4007}}^1$

素因数の和:4538

約数の個数: 48

約数和(自身を含む): 1696826880

約数和(自身を除く): 930928900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 503, 1006, 2012, 2515, 4007, 5030, 8014, 9557, 10060, 16028, 19114, 20035, 38228, 40070, 47785, 76133, 80140, 95570, 152266, 191140, 304532, 380665, 761330, 1522660, 2015521, 4031042, 8062084, 10077605, 20155210, 38294899, 40310420, 76589798, 153179596, 191474495, 382948990, 765897980]

約数ペア:

[(1, 765897980), (2, 382948990), (4, 191474495), (5, 153179596), (10, 76589798), (19, 40310420), (20, 38294899), (38, 20155210), (76, 10077605), (95, 8062084), (190, 4031042), (380, 2015521), (503, 1522660), (1006, 761330), (2012, 380665), (2515, 304532), (4007, 191140), (5030, 152266), (8014, 95570), (9557, 80140), (10060, 76133), (16028, 47785), (19114, 40070), (20035, 38228)]