212525840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{156269}}^1$

素因数の和:156299

約数の個数: 40

約数和(自身を含む): 523191960

約数和(自身を除く): 310666120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 156269, 312538, 625076, 781345, 1250152, 1562690, 2500304, 2656573, 3125380, 5313146, 6250760, 10626292, 12501520, 13282865, 21252584, 26565730, 42505168, 53131460, 106262920, 212525840]

約数ペア:

[(1, 212525840), (2, 106262920), (4, 53131460), (5, 42505168), (8, 26565730), (10, 21252584), (16, 13282865), (17, 12501520), (20, 10626292), (34, 6250760), (40, 5313146), (68, 3125380), (80, 2656573), (85, 2500304), (136, 1562690), (170, 1250152), (272, 781345), (340, 625076), (680, 312538), (1360, 156269)]