385307840

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:662

約数の個数: 112

約数和(自身を含む): 975360000

約数和(自身を除く): 590052160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 127, 152, 160, 190, 254, 304, 320, 380, 499, 508, 608, 635, 760, 998, 1016, 1216, 1270, 1520, 1996, 2032, 2413, 2495, 2540, 3040, 3992, 4064, 4826, 4990, 5080, 6080, 7984, 8128, 9481, 9652, 9980, 10160, 12065, 15968, 18962, 19304, 19960, 20320, 24130, 31936, 37924, 38608, 39920, 40640, 47405, 48260, 63373, 75848, 77216, 79840, 94810, 96520, 126746, 151696, 154432, 159680, 189620, 193040, 253492, 303392, 316865, 379240, 386080, 506984, 606784, 633730, 758480, 772160, 1013968, 1204087, 1267460, 1516960, 2027936, 2408174, 2534920, 3033920, 4055872, 4816348, 5069840, 6020435, 9632696, 10139680, 12040870, 19265392, 20279360, 24081740, 38530784, 48163480, 77061568, 96326960, 192653920, 385307840]

約数ペア:

[(1, 385307840), (2, 192653920), (4, 96326960), (5, 77061568), (8, 48163480), (10, 38530784), (16, 24081740), (19, 20279360), (20, 19265392), (32, 12040870), (38, 10139680), (40, 9632696), (64, 6020435), (76, 5069840), (80, 4816348), (95, 4055872), (127, 3033920), (152, 2534920), (160, 2408174), (190, 2027936), (254, 1516960), (304, 1267460), (320, 1204087), (380, 1013968), (499, 772160), (508, 758480), (608, 633730), (635, 606784), (760, 506984), (998, 386080), (1016, 379240), (1216, 316865), (1270, 303392), (1520, 253492), (1996, 193040), (2032, 189620), (2413, 159680), (2495, 154432), (2540, 151696), (3040, 126746), (3992, 96520), (4064, 94810), (4826, 79840), (4990, 77216), (5080, 75848), (6080, 63373), (7984, 48260), (8128, 47405), (9481, 40640), (9652, 39920), (9980, 38608), (10160, 37924), (12065, 31936), (15968, 24130), (18962, 20320), (19304, 19960)]