420779620

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{277}}^1\times {\mathrm{503}}^1$

素因数の和:940

約数の個数: 48

約数和(自身を含む): 894475008

約数和(自身を除く): 473695388

約数列:

[1, 2, 4, 5, 10, 20, 151, 277, 302, 503, 554, 604, 755, 1006, 1108, 1385, 1510, 2012, 2515, 2770, 3020, 5030, 5540, 10060, 41827, 75953, 83654, 139331, 151906, 167308, 209135, 278662, 303812, 379765, 418270, 557324, 696655, 759530, 836540, 1393310, 1519060, 2786620, 21038981, 42077962, 84155924, 105194905, 210389810, 420779620]

約数ペア:

[(1, 420779620), (2, 210389810), (4, 105194905), (5, 84155924), (10, 42077962), (20, 21038981), (151, 2786620), (277, 1519060), (302, 1393310), (503, 836540), (554, 759530), (604, 696655), (755, 557324), (1006, 418270), (1108, 379765), (1385, 303812), (1510, 278662), (2012, 209135), (2515, 167308), (2770, 151906), (3020, 139331), (5030, 83654), (5540, 75953), (10060, 41827)]