28305381860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{151}}^1\times {\mathrm{3709}}^1$

素因数の和:3914

約数の個数: 144

約数和(自身を含む): 72190782720

約数和(自身を除く): 43885400860

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 151, 190, 266, 302, 361, 380, 532, 604, 665, 722, 755, 1057, 1330, 1444, 1510, 1805, 2114, 2527, 2660, 2869, 3020, 3610, 3709, 4228, 5054, 5285, 5738, 7220, 7418, 10108, 10570, 11476, 12635, 14345, 14836, 18545, 20083, 21140, 25270, 25963, 28690, 37090, 40166, 50540, 51926, 54511, 57380, 70471, 74180, 80332, 100415, 103852, 109022, 129815, 140942, 200830, 218044, 259630, 272555, 281884, 352355, 381577, 401660, 493297, 519260, 545110, 560059, 704710, 763154, 986594, 1090220, 1120118, 1338949, 1409420, 1526308, 1907885, 1973188, 2240236, 2466485, 2677898, 2800295, 3815770, 3920413, 4932970, 5355796, 5600590, 6694745, 7631540, 7840826, 9372643, 9865940, 10641121, 11201180, 13389490, 15681652, 18745286, 19602065, 21282242, 26778980, 37490572, 39204130, 42564484, 46863215, 53205605, 74487847, 78408260, 93726430, 106411210, 148975694, 187452860, 202181299, 212822420, 297951388, 372439235, 404362598, 744878470, 808725196, 1010906495, 1415269093, 1489756940, 2021812990, 2830538186, 4043625980, 5661076372, 7076345465, 14152690930, 28305381860]

約数ペア:

[(1, 28305381860), (2, 14152690930), (4, 7076345465), (5, 5661076372), (7, 4043625980), (10, 2830538186), (14, 2021812990), (19, 1489756940), (20, 1415269093), (28, 1010906495), (35, 808725196), (38, 744878470), (70, 404362598), (76, 372439235), (95, 297951388), (133, 212822420), (140, 202181299), (151, 187452860), (190, 148975694), (266, 106411210), (302, 93726430), (361, 78408260), (380, 74487847), (532, 53205605), (604, 46863215), (665, 42564484), (722, 39204130), (755, 37490572), (1057, 26778980), (1330, 21282242), (1444, 19602065), (1510, 18745286), (1805, 15681652), (2114, 13389490), (2527, 11201180), (2660, 10641121), (2869, 9865940), (3020, 9372643), (3610, 7840826), (3709, 7631540), (4228, 6694745), (5054, 5600590), (5285, 5355796), (5738, 4932970), (7220, 3920413), (7418, 3815770), (10108, 2800295), (10570, 2677898), (11476, 2466485), (12635, 2240236), (14345, 1973188), (14836, 1907885), (18545, 1526308), (20083, 1409420), (21140, 1338949), (25270, 1120118), (25963, 1090220), (28690, 986594), (37090, 763154), (40166, 704710), (50540, 560059), (51926, 545110), (54511, 519260), (57380, 493297), (70471, 401660), (74180, 381577), (80332, 352355), (100415, 281884), (103852, 272555), (109022, 259630), (129815, 218044), (140942, 200830)]