205421312

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{269}}^1$

素因数の和:461

約数の個数: 72

約数和(自身を含む): 435985200

約数和(自身を除く): 230563888

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 157, 256, 269, 304, 314, 538, 608, 628, 1076, 1216, 1256, 2152, 2432, 2512, 2983, 4304, 4864, 5024, 5111, 5966, 8608, 10048, 10222, 11932, 17216, 20096, 20444, 23864, 34432, 40192, 40888, 42233, 47728, 68864, 81776, 84466, 95456, 163552, 168932, 190912, 327104, 337864, 381824, 654208, 675728, 763648, 802427, 1308416, 1351456, 1604854, 2702912, 3209708, 5405824, 6419416, 10811648, 12838832, 25677664, 51355328, 102710656, 205421312]

約数ペア:

[(1, 205421312), (2, 102710656), (4, 51355328), (8, 25677664), (16, 12838832), (19, 10811648), (32, 6419416), (38, 5405824), (64, 3209708), (76, 2702912), (128, 1604854), (152, 1351456), (157, 1308416), (256, 802427), (269, 763648), (304, 675728), (314, 654208), (538, 381824), (608, 337864), (628, 327104), (1076, 190912), (1216, 168932), (1256, 163552), (2152, 95456), (2432, 84466), (2512, 81776), (2983, 68864), (4304, 47728), (4864, 42233), (5024, 40888), (5111, 40192), (5966, 34432), (8608, 23864), (10048, 20444), (10222, 20096), (11932, 17216)]