218902040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1789}}^1$

素因数の和:1849

約数の個数: 128

約数和(自身を含む): 618624000

約数和(自身を除く): 399721960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 23, 28, 35, 38, 40, 46, 56, 70, 76, 92, 95, 115, 133, 140, 152, 161, 184, 190, 230, 266, 280, 322, 380, 437, 460, 532, 644, 665, 760, 805, 874, 920, 1064, 1288, 1330, 1610, 1748, 1789, 2185, 2660, 3059, 3220, 3496, 3578, 4370, 5320, 6118, 6440, 7156, 8740, 8945, 12236, 12523, 14312, 15295, 17480, 17890, 24472, 25046, 30590, 33991, 35780, 41147, 50092, 61180, 62615, 67982, 71560, 82294, 100184, 122360, 125230, 135964, 164588, 169955, 205735, 237937, 250460, 271928, 288029, 329176, 339910, 411470, 475874, 500920, 576058, 679820, 781793, 822940, 951748, 1152116, 1189685, 1359640, 1440145, 1563586, 1645880, 1903496, 2304232, 2379370, 2880290, 3127172, 3908965, 4758740, 5472551, 5760580, 6254344, 7817930, 9517480, 10945102, 11521160, 15635860, 21890204, 27362755, 31271720, 43780408, 54725510, 109451020, 218902040]

約数ペア:

[(1, 218902040), (2, 109451020), (4, 54725510), (5, 43780408), (7, 31271720), (8, 27362755), (10, 21890204), (14, 15635860), (19, 11521160), (20, 10945102), (23, 9517480), (28, 7817930), (35, 6254344), (38, 5760580), (40, 5472551), (46, 4758740), (56, 3908965), (70, 3127172), (76, 2880290), (92, 2379370), (95, 2304232), (115, 1903496), (133, 1645880), (140, 1563586), (152, 1440145), (161, 1359640), (184, 1189685), (190, 1152116), (230, 951748), (266, 822940), (280, 781793), (322, 679820), (380, 576058), (437, 500920), (460, 475874), (532, 411470), (644, 339910), (665, 329176), (760, 288029), (805, 271928), (874, 250460), (920, 237937), (1064, 205735), (1288, 169955), (1330, 164588), (1610, 135964), (1748, 125230), (1789, 122360), (2185, 100184), (2660, 82294), (3059, 71560), (3220, 67982), (3496, 62615), (3578, 61180), (4370, 50092), (5320, 41147), (6118, 35780), (6440, 33991), (7156, 30590), (8740, 25046), (8945, 24472), (12236, 17890), (12523, 17480), (14312, 15295)]