390879076

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:569

約数の個数: 72

約数和(自身を含む): 823689216

約数和(自身を除く): 432810140

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 127, 164, 196, 254, 287, 383, 508, 574, 766, 889, 1148, 1532, 1778, 2009, 2681, 3556, 4018, 5207, 5362, 6223, 8036, 10414, 10724, 12446, 15703, 18767, 20828, 24892, 31406, 36449, 37534, 48641, 62812, 72898, 75068, 97282, 109921, 145796, 194564, 219842, 255143, 340487, 439684, 510286, 680974, 769447, 1020572, 1361948, 1538894, 1994281, 2383409, 3077788, 3988562, 4766818, 7977124, 9533636, 13959967, 27919934, 55839868, 97719769, 195439538, 390879076]

約数ペア:

[(1, 390879076), (2, 195439538), (4, 97719769), (7, 55839868), (14, 27919934), (28, 13959967), (41, 9533636), (49, 7977124), (82, 4766818), (98, 3988562), (127, 3077788), (164, 2383409), (196, 1994281), (254, 1538894), (287, 1361948), (383, 1020572), (508, 769447), (574, 680974), (766, 510286), (889, 439684), (1148, 340487), (1532, 255143), (1778, 219842), (2009, 194564), (2681, 145796), (3556, 109921), (4018, 97282), (5207, 75068), (5362, 72898), (6223, 62812), (8036, 48641), (10414, 37534), (10724, 36449), (12446, 31406), (15703, 24892), (18767, 20828)]