30434440

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 70761600

約数和(自身を除く): 40327160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 89, 103, 166, 178, 206, 332, 356, 412, 415, 445, 515, 664, 712, 824, 830, 890, 1030, 1660, 1780, 2060, 3320, 3560, 4120, 7387, 8549, 9167, 14774, 17098, 18334, 29548, 34196, 36668, 36935, 42745, 45835, 59096, 68392, 73336, 73870, 85490, 91670, 147740, 170980, 183340, 295480, 341960, 366680, 760861, 1521722, 3043444, 3804305, 6086888, 7608610, 15217220, 30434440]

約数ペア:

[(1, 30434440), (2, 15217220), (4, 7608610), (5, 6086888), (8, 3804305), (10, 3043444), (20, 1521722), (40, 760861), (83, 366680), (89, 341960), (103, 295480), (166, 183340), (178, 170980), (206, 147740), (332, 91670), (356, 85490), (412, 73870), (415, 73336), (445, 68392), (515, 59096), (664, 45835), (712, 42745), (824, 36935), (830, 36668), (890, 34196), (1030, 29548), (1660, 18334), (1780, 17098), (2060, 14774), (3320, 9167), (3560, 8549), (4120, 7387)]