289030020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{21221}}^1$

素因数の和:21460

約数の個数: 48

約数和(自身を含む): 812887488

約数和(自身を除く): 523857468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 227, 454, 681, 908, 1135, 1362, 2270, 2724, 3405, 4540, 6810, 13620, 21221, 42442, 63663, 84884, 106105, 127326, 212210, 254652, 318315, 424420, 636630, 1273260, 4817167, 9634334, 14451501, 19268668, 24085835, 28903002, 48171670, 57806004, 72257505, 96343340, 144515010, 289030020]

約数ペア:

[(1, 289030020), (2, 144515010), (3, 96343340), (4, 72257505), (5, 57806004), (6, 48171670), (10, 28903002), (12, 24085835), (15, 19268668), (20, 14451501), (30, 9634334), (60, 4817167), (227, 1273260), (454, 636630), (681, 424420), (908, 318315), (1135, 254652), (1362, 212210), (2270, 127326), (2724, 106105), (3405, 84884), (4540, 63663), (6810, 42442), (13620, 21221)]