2020139800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{523}}^1$

素因数の和:666

約数の個数: 192

約数和(自身を含む): 5613926400

約数和(自身を除く): 3593786600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 89, 100, 124, 140, 155, 175, 178, 200, 217, 248, 280, 310, 350, 356, 434, 445, 523, 620, 623, 700, 712, 775, 868, 890, 1046, 1085, 1240, 1246, 1400, 1550, 1736, 1780, 2092, 2170, 2225, 2492, 2615, 2759, 3100, 3115, 3560, 3661, 4184, 4340, 4450, 4984, 5230, 5425, 5518, 6200, 6230, 7322, 8680, 8900, 10460, 10850, 11036, 12460, 13075, 13795, 14644, 15575, 16213, 17800, 18305, 19313, 20920, 21700, 22072, 24920, 26150, 27590, 29288, 31150, 32426, 36610, 38626, 43400, 46547, 52300, 55180, 62300, 64852, 68975, 73220, 77252, 81065, 91525, 93094, 96565, 104600, 110360, 113491, 124600, 129704, 137950, 146440, 154504, 162130, 183050, 186188, 193130, 226982, 232735, 275900, 324260, 325829, 366100, 372376, 386260, 405325, 453964, 465470, 482825, 551800, 567455, 648520, 651658, 732200, 772520, 810650, 907928, 930940, 965650, 1134910, 1163675, 1303316, 1442957, 1621300, 1629145, 1861880, 1931300, 2269820, 2327350, 2606632, 2837275, 2885914, 3242600, 3258290, 3862600, 4539640, 4654700, 5674550, 5771828, 6516580, 7214785, 8145725, 9309400, 10100699, 11349100, 11543656, 13033160, 14429570, 16291450, 20201398, 22698200, 28859140, 32582900, 36073925, 40402796, 50503495, 57718280, 65165800, 72147850, 80805592, 101006990, 144295700, 202013980, 252517475, 288591400, 404027960, 505034950, 1010069900, 2020139800]

約数ペア:

[(1, 2020139800), (2, 1010069900), (4, 505034950), (5, 404027960), (7, 288591400), (8, 252517475), (10, 202013980), (14, 144295700), (20, 101006990), (25, 80805592), (28, 72147850), (31, 65165800), (35, 57718280), (40, 50503495), (50, 40402796), (56, 36073925), (62, 32582900), (70, 28859140), (89, 22698200), (100, 20201398), (124, 16291450), (140, 14429570), (155, 13033160), (175, 11543656), (178, 11349100), (200, 10100699), (217, 9309400), (248, 8145725), (280, 7214785), (310, 6516580), (350, 5771828), (356, 5674550), (434, 4654700), (445, 4539640), (523, 3862600), (620, 3258290), (623, 3242600), (700, 2885914), (712, 2837275), (775, 2606632), (868, 2327350), (890, 2269820), (1046, 1931300), (1085, 1861880), (1240, 1629145), (1246, 1621300), (1400, 1442957), (1550, 1303316), (1736, 1163675), (1780, 1134910), (2092, 965650), (2170, 930940), (2225, 907928), (2492, 810650), (2615, 772520), (2759, 732200), (3100, 651658), (3115, 648520), (3560, 567455), (3661, 551800), (4184, 482825), (4340, 465470), (4450, 453964), (4984, 405325), (5230, 386260), (5425, 372376), (5518, 366100), (6200, 325829), (6230, 324260), (7322, 275900), (8680, 232735), (8900, 226982), (10460, 193130), (10850, 186188), (11036, 183050), (12460, 162130), (13075, 154504), (13795, 146440), (14644, 137950), (15575, 129704), (16213, 124600), (17800, 113491), (18305, 110360), (19313, 104600), (20920, 96565), (21700, 93094), (22072, 91525), (24920, 81065), (26150, 77252), (27590, 73220), (29288, 68975), (31150, 64852), (32426, 62300), (36610, 55180), (38626, 52300), (43400, 46547)]