128322740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{70507}}^1$

素因数の和:70536

約数の個数: 48

約数和(自身を含む): 331669632

約数和(自身を除く): 203346892

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, 70507, 141014, 282028, 352535, 493549, 705070, 916591, 987098, 1410140, 1833182, 1974196, 2467745, 3666364, 4582955, 4935490, 6416137, 9165910, 9870980, 12832274, 18331820, 25664548, 32080685, 64161370, 128322740]

約数ペア:

[(1, 128322740), (2, 64161370), (4, 32080685), (5, 25664548), (7, 18331820), (10, 12832274), (13, 9870980), (14, 9165910), (20, 6416137), (26, 4935490), (28, 4582955), (35, 3666364), (52, 2467745), (65, 1974196), (70, 1833182), (91, 1410140), (130, 987098), (140, 916591), (182, 705070), (260, 493549), (364, 352535), (455, 282028), (910, 141014), (1820, 70507)]