278311356

素因数分解:

$2^2\times 3^3\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:440

約数の個数: 96

約数和(自身を含む): 738017280

約数和(自身を除く): 459705924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 103, 108, 127, 197, 206, 254, 309, 381, 394, 412, 508, 591, 618, 762, 788, 927, 1143, 1182, 1236, 1524, 1773, 1854, 2286, 2364, 2781, 3429, 3546, 3708, 4572, 5319, 5562, 6858, 7092, 10638, 11124, 13081, 13716, 20291, 21276, 25019, 26162, 39243, 40582, 50038, 52324, 60873, 75057, 78486, 81164, 100076, 117729, 121746, 150114, 156972, 182619, 225171, 235458, 243492, 300228, 353187, 365238, 450342, 470916, 547857, 675513, 706374, 730476, 900684, 1095714, 1351026, 1412748, 2191428, 2576957, 2702052, 5153914, 7730871, 10307828, 15461742, 23192613, 30923484, 46385226, 69577839, 92770452, 139155678, 278311356]

約数ペア:

[(1, 278311356), (2, 139155678), (3, 92770452), (4, 69577839), (6, 46385226), (9, 30923484), (12, 23192613), (18, 15461742), (27, 10307828), (36, 7730871), (54, 5153914), (103, 2702052), (108, 2576957), (127, 2191428), (197, 1412748), (206, 1351026), (254, 1095714), (309, 900684), (381, 730476), (394, 706374), (412, 675513), (508, 547857), (591, 470916), (618, 450342), (762, 365238), (788, 353187), (927, 300228), (1143, 243492), (1182, 235458), (1236, 225171), (1524, 182619), (1773, 156972), (1854, 150114), (2286, 121746), (2364, 117729), (2781, 100076), (3429, 81164), (3546, 78486), (3708, 75057), (4572, 60873), (5319, 52324), (5562, 50038), (6858, 40582), (7092, 39243), (10638, 26162), (11124, 25019), (13081, 21276), (13716, 20291)]