429670020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{550859}}^1$

素因数の和:550884

約数の個数: 48

約数和(自身を含む): 1295622720

約数和(自身を除く): 865952700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 550859, 1101718, 1652577, 2203436, 2754295, 3305154, 5508590, 6610308, 7161167, 8262885, 11017180, 14322334, 16525770, 21483501, 28644668, 33051540, 35805835, 42967002, 71611670, 85934004, 107417505, 143223340, 214835010, 429670020]

約数ペア:

[(1, 429670020), (2, 214835010), (3, 143223340), (4, 107417505), (5, 85934004), (6, 71611670), (10, 42967002), (12, 35805835), (13, 33051540), (15, 28644668), (20, 21483501), (26, 16525770), (30, 14322334), (39, 11017180), (52, 8262885), (60, 7161167), (65, 6610308), (78, 5508590), (130, 3305154), (156, 2754295), (195, 2203436), (260, 1652577), (390, 1101718), (780, 550859)]