1314200020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{128591}}^1$

素因数の和:128680

約数の個数: 48

約数和(自身を含む): 3197311488

約数和(自身を除く): 1883111468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 128591, 257182, 514364, 642955, 900137, 1285910, 1800274, 2571820, 3600548, 4500685, 9001370, 9387143, 18002740, 18774286, 37548572, 46935715, 65710001, 93871430, 131420002, 187742860, 262840004, 328550005, 657100010, 1314200020]

約数ペア:

[(1, 1314200020), (2, 657100010), (4, 328550005), (5, 262840004), (7, 187742860), (10, 131420002), (14, 93871430), (20, 65710001), (28, 46935715), (35, 37548572), (70, 18774286), (73, 18002740), (140, 9387143), (146, 9001370), (292, 4500685), (365, 3600548), (511, 2571820), (730, 1800274), (1022, 1285910), (1460, 900137), (2044, 642955), (2555, 514364), (5110, 257182), (10220, 128591)]