213709720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:210

約数の個数: 192

約数和(自身を含む): 618912000

約数和(自身を除く): 405202280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 28, 34, 35, 38, 40, 56, 68, 70, 76, 85, 95, 119, 133, 136, 139, 140, 152, 170, 190, 238, 266, 278, 280, 289, 323, 340, 380, 476, 532, 556, 578, 595, 646, 665, 680, 695, 760, 952, 973, 1064, 1112, 1156, 1190, 1292, 1330, 1390, 1445, 1615, 1946, 2023, 2261, 2312, 2363, 2380, 2584, 2641, 2660, 2780, 2890, 3230, 3892, 4046, 4522, 4726, 4760, 4865, 5282, 5320, 5491, 5560, 5780, 6460, 7784, 8092, 9044, 9452, 9730, 10115, 10564, 10982, 11305, 11560, 11815, 12920, 13205, 16184, 16541, 18088, 18487, 18904, 19460, 20230, 21128, 21964, 22610, 23630, 26410, 27455, 33082, 36974, 38437, 38920, 40171, 40460, 43928, 44897, 45220, 47260, 52820, 54910, 66164, 73948, 76874, 80342, 80920, 82705, 89794, 90440, 92435, 94520, 105640, 109820, 132328, 147896, 153748, 160684, 165410, 179588, 184870, 192185, 200855, 219640, 224485, 281197, 307496, 314279, 321368, 330820, 359176, 369740, 384370, 401710, 448970, 562394, 628558, 661640, 739480, 763249, 768740, 803420, 897940, 1124788, 1257116, 1405985, 1526498, 1537480, 1571395, 1606840, 1795880, 2249576, 2514232, 2811970, 3052996, 3142790, 3816245, 5342743, 5623940, 6105992, 6285580, 7632490, 10685486, 11247880, 12571160, 15264980, 21370972, 26713715, 30529960, 42741944, 53427430, 106854860, 213709720]

約数ペア:

[(1, 213709720), (2, 106854860), (4, 53427430), (5, 42741944), (7, 30529960), (8, 26713715), (10, 21370972), (14, 15264980), (17, 12571160), (19, 11247880), (20, 10685486), (28, 7632490), (34, 6285580), (35, 6105992), (38, 5623940), (40, 5342743), (56, 3816245), (68, 3142790), (70, 3052996), (76, 2811970), (85, 2514232), (95, 2249576), (119, 1795880), (133, 1606840), (136, 1571395), (139, 1537480), (140, 1526498), (152, 1405985), (170, 1257116), (190, 1124788), (238, 897940), (266, 803420), (278, 768740), (280, 763249), (289, 739480), (323, 661640), (340, 628558), (380, 562394), (476, 448970), (532, 401710), (556, 384370), (578, 369740), (595, 359176), (646, 330820), (665, 321368), (680, 314279), (695, 307496), (760, 281197), (952, 224485), (973, 219640), (1064, 200855), (1112, 192185), (1156, 184870), (1190, 179588), (1292, 165410), (1330, 160684), (1390, 153748), (1445, 147896), (1615, 132328), (1946, 109820), (2023, 105640), (2261, 94520), (2312, 92435), (2363, 90440), (2380, 89794), (2584, 82705), (2641, 80920), (2660, 80342), (2780, 76874), (2890, 73948), (3230, 66164), (3892, 54910), (4046, 52820), (4522, 47260), (4726, 45220), (4760, 44897), (4865, 43928), (5282, 40460), (5320, 40171), (5491, 38920), (5560, 38437), (5780, 36974), (6460, 33082), (7784, 27455), (8092, 26410), (9044, 23630), (9452, 22610), (9730, 21964), (10115, 21128), (10564, 20230), (10982, 19460), (11305, 18904), (11560, 18487), (11815, 18088), (12920, 16541), (13205, 16184)]