208677280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{619}}^1$

素因数の和:691

約数の個数: 144

約数和(自身を含む): 587774880

約数和(自身を除く): 379097600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 49, 56, 70, 80, 86, 98, 112, 140, 160, 172, 196, 215, 224, 245, 280, 301, 344, 392, 430, 490, 560, 602, 619, 688, 784, 860, 980, 1120, 1204, 1238, 1376, 1505, 1568, 1720, 1960, 2107, 2408, 2476, 3010, 3095, 3440, 3920, 4214, 4333, 4816, 4952, 6020, 6190, 6880, 7840, 8428, 8666, 9632, 9904, 10535, 12040, 12380, 16856, 17332, 19808, 21070, 21665, 24080, 24760, 26617, 30331, 33712, 34664, 42140, 43330, 48160, 49520, 53234, 60662, 67424, 69328, 84280, 86660, 99040, 106468, 121324, 133085, 138656, 151655, 168560, 173320, 186319, 212936, 242648, 266170, 303310, 337120, 346640, 372638, 425872, 485296, 532340, 606620, 693280, 745276, 851744, 931595, 970592, 1064680, 1213240, 1304233, 1490552, 1863190, 2129360, 2426480, 2608466, 2981104, 3726380, 4258720, 4852960, 5216932, 5962208, 6521165, 7452760, 10433864, 13042330, 14905520, 20867728, 26084660, 29811040, 41735456, 52169320, 104338640, 208677280]

約数ペア:

[(1, 208677280), (2, 104338640), (4, 52169320), (5, 41735456), (7, 29811040), (8, 26084660), (10, 20867728), (14, 14905520), (16, 13042330), (20, 10433864), (28, 7452760), (32, 6521165), (35, 5962208), (40, 5216932), (43, 4852960), (49, 4258720), (56, 3726380), (70, 2981104), (80, 2608466), (86, 2426480), (98, 2129360), (112, 1863190), (140, 1490552), (160, 1304233), (172, 1213240), (196, 1064680), (215, 970592), (224, 931595), (245, 851744), (280, 745276), (301, 693280), (344, 606620), (392, 532340), (430, 485296), (490, 425872), (560, 372638), (602, 346640), (619, 337120), (688, 303310), (784, 266170), (860, 242648), (980, 212936), (1120, 186319), (1204, 173320), (1238, 168560), (1376, 151655), (1505, 138656), (1568, 133085), (1720, 121324), (1960, 106468), (2107, 99040), (2408, 86660), (2476, 84280), (3010, 69328), (3095, 67424), (3440, 60662), (3920, 53234), (4214, 49520), (4333, 48160), (4816, 43330), (4952, 42140), (6020, 34664), (6190, 33712), (6880, 30331), (7840, 26617), (8428, 24760), (8666, 24080), (9632, 21665), (9904, 21070), (10535, 19808), (12040, 17332), (12380, 16856)]