129858920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^2$

素因数の和:112

約数の個数: 144

約数和(自身を含む): 341322660

約数和(自身を除く): 211463740

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 23, 34, 38, 40, 46, 68, 76, 85, 92, 95, 115, 136, 152, 170, 184, 190, 230, 323, 340, 361, 380, 391, 437, 460, 529, 646, 680, 722, 760, 782, 874, 920, 1058, 1292, 1444, 1564, 1615, 1748, 1805, 1955, 2116, 2185, 2584, 2645, 2888, 3128, 3230, 3496, 3610, 3910, 4232, 4370, 5290, 6137, 6460, 7220, 7429, 7820, 8303, 8740, 8993, 10051, 10580, 12274, 12920, 14440, 14858, 15640, 16606, 17480, 17986, 20102, 21160, 24548, 29716, 30685, 33212, 35972, 37145, 40204, 41515, 44965, 49096, 50255, 59432, 61370, 66424, 71944, 74290, 80408, 83030, 89930, 100510, 122740, 141151, 148580, 166060, 170867, 179860, 190969, 201020, 245480, 282302, 297160, 332120, 341734, 359720, 381938, 402040, 564604, 683468, 705755, 763876, 854335, 954845, 1129208, 1366936, 1411510, 1527752, 1708670, 1909690, 2823020, 3246473, 3417340, 3819380, 5646040, 6492946, 6834680, 7638760, 12985892, 16232365, 25971784, 32464730, 64929460, 129858920]

約数ペア:

[(1, 129858920), (2, 64929460), (4, 32464730), (5, 25971784), (8, 16232365), (10, 12985892), (17, 7638760), (19, 6834680), (20, 6492946), (23, 5646040), (34, 3819380), (38, 3417340), (40, 3246473), (46, 2823020), (68, 1909690), (76, 1708670), (85, 1527752), (92, 1411510), (95, 1366936), (115, 1129208), (136, 954845), (152, 854335), (170, 763876), (184, 705755), (190, 683468), (230, 564604), (323, 402040), (340, 381938), (361, 359720), (380, 341734), (391, 332120), (437, 297160), (460, 282302), (529, 245480), (646, 201020), (680, 190969), (722, 179860), (760, 170867), (782, 166060), (874, 148580), (920, 141151), (1058, 122740), (1292, 100510), (1444, 89930), (1564, 83030), (1615, 80408), (1748, 74290), (1805, 71944), (1955, 66424), (2116, 61370), (2185, 59432), (2584, 50255), (2645, 49096), (2888, 44965), (3128, 41515), (3230, 40204), (3496, 37145), (3610, 35972), (3910, 33212), (4232, 30685), (4370, 29716), (5290, 24548), (6137, 21160), (6460, 20102), (7220, 17986), (7429, 17480), (7820, 16606), (8303, 15640), (8740, 14858), (8993, 14440), (10051, 12920), (10580, 12274)]