38946820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:265

約数の個数: 96

約数和(自身を含む): 95800320

約数和(自身を除く): 56853500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 43, 44, 46, 55, 86, 92, 110, 115, 172, 179, 215, 220, 230, 253, 358, 430, 460, 473, 506, 716, 860, 895, 946, 989, 1012, 1265, 1790, 1892, 1969, 1978, 2365, 2530, 3580, 3938, 3956, 4117, 4730, 4945, 5060, 7697, 7876, 8234, 9460, 9845, 9890, 10879, 15394, 16468, 19690, 19780, 20585, 21758, 30788, 38485, 39380, 41170, 43516, 45287, 54395, 76970, 82340, 84667, 90574, 108790, 153940, 169334, 177031, 181148, 217580, 226435, 338668, 354062, 423335, 452870, 708124, 846670, 885155, 905740, 1693340, 1770310, 1947341, 3540620, 3894682, 7789364, 9736705, 19473410, 38946820]

約数ペア:

[(1, 38946820), (2, 19473410), (4, 9736705), (5, 7789364), (10, 3894682), (11, 3540620), (20, 1947341), (22, 1770310), (23, 1693340), (43, 905740), (44, 885155), (46, 846670), (55, 708124), (86, 452870), (92, 423335), (110, 354062), (115, 338668), (172, 226435), (179, 217580), (215, 181148), (220, 177031), (230, 169334), (253, 153940), (358, 108790), (430, 90574), (460, 84667), (473, 82340), (506, 76970), (716, 54395), (860, 45287), (895, 43516), (946, 41170), (989, 39380), (1012, 38485), (1265, 30788), (1790, 21758), (1892, 20585), (1969, 19780), (1978, 19690), (2365, 16468), (2530, 15394), (3580, 10879), (3938, 9890), (3956, 9845), (4117, 9460), (4730, 8234), (4945, 7876), (5060, 7697)]