390827168

素因数分解:

$2^5\times {\mathrm{31}}^2\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:322

約数の個数: 72

約数和(自身を含む): 810764640

約数和(自身を除く): 419937472

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 71, 124, 142, 179, 248, 284, 358, 496, 568, 716, 961, 992, 1136, 1432, 1922, 2201, 2272, 2864, 3844, 4402, 5549, 5728, 7688, 8804, 11098, 12709, 15376, 17608, 22196, 25418, 30752, 35216, 44392, 50836, 68231, 70432, 88784, 101672, 136462, 172019, 177568, 203344, 272924, 344038, 393979, 406688, 545848, 688076, 787958, 1091696, 1376152, 1575916, 2183392, 2752304, 3151832, 5504608, 6303664, 12213349, 12607328, 24426698, 48853396, 97706792, 195413584, 390827168]

約数ペア:

[(1, 390827168), (2, 195413584), (4, 97706792), (8, 48853396), (16, 24426698), (31, 12607328), (32, 12213349), (62, 6303664), (71, 5504608), (124, 3151832), (142, 2752304), (179, 2183392), (248, 1575916), (284, 1376152), (358, 1091696), (496, 787958), (568, 688076), (716, 545848), (961, 406688), (992, 393979), (1136, 344038), (1432, 272924), (1922, 203344), (2201, 177568), (2272, 172019), (2864, 136462), (3844, 101672), (4402, 88784), (5549, 70432), (5728, 68231), (7688, 50836), (8804, 44392), (11098, 35216), (12709, 30752), (15376, 25418), (17608, 22196)]