499860140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{9661}}^1$

素因数の和:9882

約数の個数: 48

約数和(自身を含む): 1136251200

約数和(自身を除く): 636391060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 398, 796, 995, 1990, 2587, 3980, 5174, 9661, 10348, 12935, 19322, 25870, 38644, 48305, 51740, 96610, 125593, 193220, 251186, 502372, 627965, 1255930, 1922539, 2511860, 3845078, 7690156, 9612695, 19225390, 24993007, 38450780, 49986014, 99972028, 124965035, 249930070, 499860140]

約数ペア:

[(1, 499860140), (2, 249930070), (4, 124965035), (5, 99972028), (10, 49986014), (13, 38450780), (20, 24993007), (26, 19225390), (52, 9612695), (65, 7690156), (130, 3845078), (199, 2511860), (260, 1922539), (398, 1255930), (796, 627965), (995, 502372), (1990, 251186), (2587, 193220), (3980, 125593), (5174, 96610), (9661, 51740), (10348, 48305), (12935, 38644), (19322, 25870)]