1985321400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{499}}^1$

素因数の和:886

約数の個数: 192

約数和(自身を含む): 6510000000

約数和(自身を除く): 4524678600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 25, 30, 38, 40, 50, 57, 60, 75, 76, 95, 100, 114, 120, 150, 152, 190, 200, 228, 285, 300, 349, 380, 456, 475, 499, 570, 600, 698, 760, 950, 998, 1047, 1140, 1396, 1425, 1497, 1745, 1900, 1996, 2094, 2280, 2495, 2792, 2850, 2994, 3490, 3800, 3992, 4188, 4990, 5235, 5700, 5988, 6631, 6980, 7485, 8376, 8725, 9481, 9980, 10470, 11400, 11976, 12475, 13262, 13960, 14970, 17450, 18962, 19893, 19960, 20940, 24950, 26175, 26524, 28443, 29940, 33155, 34900, 37425, 37924, 39786, 41880, 47405, 49900, 52350, 53048, 56886, 59880, 66310, 69800, 74850, 75848, 79572, 94810, 99465, 99800, 104700, 113772, 132620, 142215, 149700, 159144, 165775, 174151, 189620, 198930, 209400, 227544, 237025, 265240, 284430, 299400, 331550, 348302, 379240, 397860, 474050, 497325, 522453, 568860, 663100, 696604, 711075, 795720, 870755, 948100, 994650, 1044906, 1137720, 1326200, 1393208, 1422150, 1741510, 1896200, 1989300, 2089812, 2612265, 2844300, 3308869, 3483020, 3978600, 4179624, 4353775, 5224530, 5688600, 6617738, 6966040, 8707550, 9926607, 10449060, 13061325, 13235476, 16544345, 17415100, 19853214, 20898120, 26122650, 26470952, 33088690, 34830200, 39706428, 49633035, 52245300, 66177380, 79412856, 82721725, 99266070, 104490600, 132354760, 165443450, 198532140, 248165175, 330886900, 397064280, 496330350, 661773800, 992660700, 1985321400]

約数ペア:

[(1, 1985321400), (2, 992660700), (3, 661773800), (4, 496330350), (5, 397064280), (6, 330886900), (8, 248165175), (10, 198532140), (12, 165443450), (15, 132354760), (19, 104490600), (20, 99266070), (24, 82721725), (25, 79412856), (30, 66177380), (38, 52245300), (40, 49633035), (50, 39706428), (57, 34830200), (60, 33088690), (75, 26470952), (76, 26122650), (95, 20898120), (100, 19853214), (114, 17415100), (120, 16544345), (150, 13235476), (152, 13061325), (190, 10449060), (200, 9926607), (228, 8707550), (285, 6966040), (300, 6617738), (349, 5688600), (380, 5224530), (456, 4353775), (475, 4179624), (499, 3978600), (570, 3483020), (600, 3308869), (698, 2844300), (760, 2612265), (950, 2089812), (998, 1989300), (1047, 1896200), (1140, 1741510), (1396, 1422150), (1425, 1393208), (1497, 1326200), (1745, 1137720), (1900, 1044906), (1996, 994650), (2094, 948100), (2280, 870755), (2495, 795720), (2792, 711075), (2850, 696604), (2994, 663100), (3490, 568860), (3800, 522453), (3992, 497325), (4188, 474050), (4990, 397860), (5235, 379240), (5700, 348302), (5988, 331550), (6631, 299400), (6980, 284430), (7485, 265240), (8376, 237025), (8725, 227544), (9481, 209400), (9980, 198930), (10470, 189620), (11400, 174151), (11976, 165775), (12475, 159144), (13262, 149700), (13960, 142215), (14970, 132620), (17450, 113772), (18962, 104700), (19893, 99800), (19960, 99465), (20940, 94810), (24950, 79572), (26175, 75848), (26524, 74850), (28443, 69800), (29940, 66310), (33155, 59880), (34900, 56886), (37425, 53048), (37924, 52350), (39786, 49900), (41880, 47405)]