89315420

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1\times {\mathrm{227}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 191213568

約数和(自身を除く): 101898148

約数列:

[1, 2, 4, 5, 10, 20, 103, 191, 206, 227, 382, 412, 454, 515, 764, 908, 955, 1030, 1135, 1910, 2060, 2270, 3820, 4540, 19673, 23381, 39346, 43357, 46762, 78692, 86714, 93524, 98365, 116905, 173428, 196730, 216785, 233810, 393460, 433570, 467620, 867140, 4465771, 8931542, 17863084, 22328855, 44657710, 89315420]

約数ペア:

[(1, 89315420), (2, 44657710), (4, 22328855), (5, 17863084), (10, 8931542), (20, 4465771), (103, 867140), (191, 467620), (206, 433570), (227, 393460), (382, 233810), (412, 216785), (454, 196730), (515, 173428), (764, 116905), (908, 98365), (955, 93524), (1030, 86714), (1135, 78692), (1910, 46762), (2060, 43357), (2270, 39346), (3820, 23381), (4540, 19673)]