202847020

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{1373}}^1$

素因数の和:1554

約数の個数: 48

約数和(自身を含む): 436272480

約数和(自身を除く): 233425460

約数列:

[1, 2, 4, 5, 10, 20, 83, 89, 166, 178, 332, 356, 415, 445, 830, 890, 1373, 1660, 1780, 2746, 5492, 6865, 7387, 13730, 14774, 27460, 29548, 36935, 73870, 113959, 122197, 147740, 227918, 244394, 455836, 488788, 569795, 610985, 1139590, 1221970, 2279180, 2443940, 10142351, 20284702, 40569404, 50711755, 101423510, 202847020]

約数ペア:

[(1, 202847020), (2, 101423510), (4, 50711755), (5, 40569404), (10, 20284702), (20, 10142351), (83, 2443940), (89, 2279180), (166, 1221970), (178, 1139590), (332, 610985), (356, 569795), (415, 488788), (445, 455836), (830, 244394), (890, 227918), (1373, 147740), (1660, 122197), (1780, 113959), (2746, 73870), (5492, 36935), (6865, 29548), (7387, 27460), (13730, 14774)]