28328620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{587}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 63221760

約数和(自身を除く): 34893140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 127, 190, 254, 380, 508, 587, 635, 1174, 1270, 2348, 2413, 2540, 2935, 4826, 5870, 9652, 11153, 11740, 12065, 22306, 24130, 44612, 48260, 55765, 74549, 111530, 149098, 223060, 298196, 372745, 745490, 1416431, 1490980, 2832862, 5665724, 7082155, 14164310, 28328620]

約数ペア:

[(1, 28328620), (2, 14164310), (4, 7082155), (5, 5665724), (10, 2832862), (19, 1490980), (20, 1416431), (38, 745490), (76, 372745), (95, 298196), (127, 223060), (190, 149098), (254, 111530), (380, 74549), (508, 55765), (587, 48260), (635, 44612), (1174, 24130), (1270, 22306), (2348, 12065), (2413, 11740), (2540, 11153), (2935, 9652), (4826, 5870)]