209050360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:317

約数の個数: 128

約数和(自身を含む): 527523840

約数和(自身を除く): 318473480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 47, 62, 68, 85, 94, 124, 136, 155, 170, 188, 211, 235, 248, 310, 340, 376, 422, 470, 527, 620, 680, 799, 844, 940, 1054, 1055, 1240, 1457, 1598, 1688, 1880, 2108, 2110, 2635, 2914, 3196, 3587, 3995, 4216, 4220, 5270, 5828, 6392, 6541, 7174, 7285, 7990, 8440, 9917, 10540, 11656, 13082, 14348, 14570, 15980, 17935, 19834, 21080, 24769, 26164, 28696, 29140, 31960, 32705, 35870, 39668, 49538, 49585, 52328, 58280, 65410, 71740, 79336, 99076, 99170, 111197, 123845, 130820, 143480, 168589, 198152, 198340, 222394, 247690, 261640, 307427, 337178, 396680, 444788, 495380, 555985, 614854, 674356, 842945, 889576, 990760, 1111970, 1229708, 1348712, 1537135, 1685890, 2223940, 2459416, 3074270, 3371780, 4447880, 5226259, 6148540, 6743560, 10452518, 12297080, 20905036, 26131295, 41810072, 52262590, 104525180, 209050360]

約数ペア:

[(1, 209050360), (2, 104525180), (4, 52262590), (5, 41810072), (8, 26131295), (10, 20905036), (17, 12297080), (20, 10452518), (31, 6743560), (34, 6148540), (40, 5226259), (47, 4447880), (62, 3371780), (68, 3074270), (85, 2459416), (94, 2223940), (124, 1685890), (136, 1537135), (155, 1348712), (170, 1229708), (188, 1111970), (211, 990760), (235, 889576), (248, 842945), (310, 674356), (340, 614854), (376, 555985), (422, 495380), (470, 444788), (527, 396680), (620, 337178), (680, 307427), (799, 261640), (844, 247690), (940, 222394), (1054, 198340), (1055, 198152), (1240, 168589), (1457, 143480), (1598, 130820), (1688, 123845), (1880, 111197), (2108, 99170), (2110, 99076), (2635, 79336), (2914, 71740), (3196, 65410), (3587, 58280), (3995, 52328), (4216, 49585), (4220, 49538), (5270, 39668), (5828, 35870), (6392, 32705), (6541, 31960), (7174, 29140), (7285, 28696), (7990, 26164), (8440, 24769), (9917, 21080), (10540, 19834), (11656, 17935), (13082, 15980), (14348, 14570)]