208549120

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 548053632

約数和(自身を除く): 339504512

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 83, 104, 128, 130, 151, 160, 166, 208, 256, 260, 302, 320, 332, 415, 416, 520, 604, 640, 664, 755, 830, 832, 1040, 1079, 1208, 1280, 1328, 1510, 1660, 1664, 1963, 2080, 2158, 2416, 2656, 3020, 3320, 3328, 3926, 4160, 4316, 4832, 5312, 5395, 6040, 6640, 7852, 8320, 8632, 9664, 9815, 10624, 10790, 12080, 12533, 13280, 15704, 16640, 17264, 19328, 19630, 21248, 21580, 24160, 25066, 26560, 31408, 34528, 38656, 39260, 43160, 48320, 50132, 53120, 62665, 62816, 69056, 78520, 86320, 96640, 100264, 106240, 125330, 125632, 138112, 157040, 162929, 172640, 193280, 200528, 250660, 251264, 276224, 314080, 325858, 345280, 401056, 501320, 502528, 628160, 651716, 690560, 802112, 814645, 1002640, 1256320, 1303432, 1381120, 1604224, 1629290, 2005280, 2512640, 2606864, 3208448, 3258580, 4010560, 5213728, 6517160, 8021120, 10427456, 13034320, 16042240, 20854912, 26068640, 41709824, 52137280, 104274560, 208549120]

約数ペア:

[(1, 208549120), (2, 104274560), (4, 52137280), (5, 41709824), (8, 26068640), (10, 20854912), (13, 16042240), (16, 13034320), (20, 10427456), (26, 8021120), (32, 6517160), (40, 5213728), (52, 4010560), (64, 3258580), (65, 3208448), (80, 2606864), (83, 2512640), (104, 2005280), (128, 1629290), (130, 1604224), (151, 1381120), (160, 1303432), (166, 1256320), (208, 1002640), (256, 814645), (260, 802112), (302, 690560), (320, 651716), (332, 628160), (415, 502528), (416, 501320), (520, 401056), (604, 345280), (640, 325858), (664, 314080), (755, 276224), (830, 251264), (832, 250660), (1040, 200528), (1079, 193280), (1208, 172640), (1280, 162929), (1328, 157040), (1510, 138112), (1660, 125632), (1664, 125330), (1963, 106240), (2080, 100264), (2158, 96640), (2416, 86320), (2656, 78520), (3020, 69056), (3320, 62816), (3328, 62665), (3926, 53120), (4160, 50132), (4316, 48320), (4832, 43160), (5312, 39260), (5395, 38656), (6040, 34528), (6640, 31408), (7852, 26560), (8320, 25066), (8632, 24160), (9664, 21580), (9815, 21248), (10624, 19630), (10790, 19328), (12080, 17264), (12533, 16640), (13280, 15704)]