209458480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{919}}^1$

素因数の和:987

約数の個数: 160

約数和(自身を含む): 624245760

約数和(自身を除く): 414787280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 37, 40, 44, 55, 56, 70, 74, 77, 80, 88, 110, 112, 140, 148, 154, 176, 185, 220, 259, 280, 296, 308, 370, 385, 407, 440, 518, 560, 592, 616, 740, 770, 814, 880, 919, 1036, 1232, 1295, 1480, 1540, 1628, 1838, 2035, 2072, 2590, 2849, 2960, 3080, 3256, 3676, 4070, 4144, 4595, 5180, 5698, 6160, 6433, 6512, 7352, 8140, 9190, 10109, 10360, 11396, 12866, 14245, 14704, 16280, 18380, 20218, 20720, 22792, 25732, 28490, 32165, 32560, 34003, 36760, 40436, 45584, 50545, 51464, 56980, 64330, 68006, 70763, 73520, 80872, 101090, 102928, 113960, 128660, 136012, 141526, 161744, 170015, 202180, 227920, 238021, 257320, 272024, 283052, 340030, 353815, 374033, 404360, 476042, 514640, 544048, 566104, 680060, 707630, 748066, 808720, 952084, 1132208, 1190105, 1360120, 1415260, 1496132, 1870165, 1904168, 2380210, 2618231, 2720240, 2830520, 2992264, 3740330, 3808336, 4760420, 5236462, 5661040, 5984528, 7480660, 9520840, 10472924, 13091155, 14961320, 19041680, 20945848, 26182310, 29922640, 41891696, 52364620, 104729240, 209458480]

約数ペア:

[(1, 209458480), (2, 104729240), (4, 52364620), (5, 41891696), (7, 29922640), (8, 26182310), (10, 20945848), (11, 19041680), (14, 14961320), (16, 13091155), (20, 10472924), (22, 9520840), (28, 7480660), (35, 5984528), (37, 5661040), (40, 5236462), (44, 4760420), (55, 3808336), (56, 3740330), (70, 2992264), (74, 2830520), (77, 2720240), (80, 2618231), (88, 2380210), (110, 1904168), (112, 1870165), (140, 1496132), (148, 1415260), (154, 1360120), (176, 1190105), (185, 1132208), (220, 952084), (259, 808720), (280, 748066), (296, 707630), (308, 680060), (370, 566104), (385, 544048), (407, 514640), (440, 476042), (518, 404360), (560, 374033), (592, 353815), (616, 340030), (740, 283052), (770, 272024), (814, 257320), (880, 238021), (919, 227920), (1036, 202180), (1232, 170015), (1295, 161744), (1480, 141526), (1540, 136012), (1628, 128660), (1838, 113960), (2035, 102928), (2072, 101090), (2590, 80872), (2849, 73520), (2960, 70763), (3080, 68006), (3256, 64330), (3676, 56980), (4070, 51464), (4144, 50545), (4595, 45584), (5180, 40436), (5698, 36760), (6160, 34003), (6433, 32560), (6512, 32165), (7352, 28490), (8140, 25732), (9190, 22792), (10109, 20720), (10360, 20218), (11396, 18380), (12866, 16280), (14245, 14704)]