201257420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{110581}}^1$

素因数の和:110610

約数の個数: 48

約数和(自身を含む): 520177728

約数和(自身を除く): 318920308

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 110581, 221162, 442324, 552905, 774067, 1105810, 1437553, 1548134, 2211620, 2875106, 3096268, 3870335, 5750212, 7187765, 7740670, 10062871, 14375530, 15481340, 20125742, 28751060, 40251484, 50314355, 100628710, 201257420]

約数ペア:

[(1, 201257420), (2, 100628710), (4, 50314355), (5, 40251484), (7, 28751060), (10, 20125742), (13, 15481340), (14, 14375530), (20, 10062871), (26, 7740670), (28, 7187765), (35, 5750212), (52, 3870335), (65, 3096268), (70, 2875106), (91, 2211620), (130, 1548134), (140, 1437553), (182, 1105810), (260, 774067), (364, 552905), (455, 442324), (910, 221162), (1820, 110581)]