42271580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:283

約数の個数: 96

約数和(自身を含む): 103488000

約数和(自身を除く): 61216420

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 43, 52, 65, 76, 86, 95, 130, 172, 190, 199, 215, 247, 260, 380, 398, 430, 494, 559, 796, 817, 860, 988, 995, 1118, 1235, 1634, 1990, 2236, 2470, 2587, 2795, 3268, 3781, 3980, 4085, 4940, 5174, 5590, 7562, 8170, 8557, 10348, 10621, 11180, 12935, 15124, 16340, 17114, 18905, 21242, 25870, 34228, 37810, 42484, 42785, 49153, 51740, 53105, 75620, 85570, 98306, 106210, 111241, 162583, 171140, 196612, 212420, 222482, 245765, 325166, 444964, 491530, 556205, 650332, 812915, 983060, 1112410, 1625830, 2113579, 2224820, 3251660, 4227158, 8454316, 10567895, 21135790, 42271580]

約数ペア:

[(1, 42271580), (2, 21135790), (4, 10567895), (5, 8454316), (10, 4227158), (13, 3251660), (19, 2224820), (20, 2113579), (26, 1625830), (38, 1112410), (43, 983060), (52, 812915), (65, 650332), (76, 556205), (86, 491530), (95, 444964), (130, 325166), (172, 245765), (190, 222482), (199, 212420), (215, 196612), (247, 171140), (260, 162583), (380, 111241), (398, 106210), (430, 98306), (494, 85570), (559, 75620), (796, 53105), (817, 51740), (860, 49153), (988, 42785), (995, 42484), (1118, 37810), (1235, 34228), (1634, 25870), (1990, 21242), (2236, 18905), (2470, 17114), (2587, 16340), (2795, 15124), (3268, 12935), (3781, 11180), (3980, 10621), (4085, 10348), (4940, 8557), (5174, 8170), (5590, 7562)]