289455860

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{1373}}^1$

素因数の和:1592

約数の個数: 48

約数和(自身を含む): 620476416

約数和(自身を除く): 331020556

約数列:

[1, 2, 4, 5, 10, 20, 83, 127, 166, 254, 332, 415, 508, 635, 830, 1270, 1373, 1660, 2540, 2746, 5492, 6865, 10541, 13730, 21082, 27460, 42164, 52705, 105410, 113959, 174371, 210820, 227918, 348742, 455836, 569795, 697484, 871855, 1139590, 1743710, 2279180, 3487420, 14472793, 28945586, 57891172, 72363965, 144727930, 289455860]

約数ペア:

[(1, 289455860), (2, 144727930), (4, 72363965), (5, 57891172), (10, 28945586), (20, 14472793), (83, 3487420), (127, 2279180), (166, 1743710), (254, 1139590), (332, 871855), (415, 697484), (508, 569795), (635, 455836), (830, 348742), (1270, 227918), (1373, 210820), (1660, 174371), (2540, 113959), (2746, 105410), (5492, 52705), (6865, 42164), (10541, 27460), (13730, 21082)]