3900260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2143}}^1$

素因数の和:2172

約数の個数: 48

約数和(自身を含む): 10085376

約数和(自身を除く): 6185116

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, 2143, 4286, 8572, 10715, 15001, 21430, 27859, 30002, 42860, 55718, 60004, 75005, 111436, 139295, 150010, 195013, 278590, 300020, 390026, 557180, 780052, 975065, 1950130, 3900260]

約数ペア:

[(1, 3900260), (2, 1950130), (4, 975065), (5, 780052), (7, 557180), (10, 390026), (13, 300020), (14, 278590), (20, 195013), (26, 150010), (28, 139295), (35, 111436), (52, 75005), (65, 60004), (70, 55718), (91, 42860), (130, 30002), (140, 27859), (182, 21430), (260, 15001), (364, 10715), (455, 8572), (910, 4286), (1820, 2143)]