28106000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:106

約数の個数: 160

約数和(自身を含む): 77995008

約数和(自身を除く): 49889008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 25, 26, 40, 46, 47, 50, 52, 65, 80, 92, 94, 100, 104, 115, 125, 130, 184, 188, 200, 208, 230, 235, 250, 260, 299, 325, 368, 376, 400, 460, 470, 500, 520, 575, 598, 611, 650, 752, 920, 940, 1000, 1040, 1081, 1150, 1175, 1196, 1222, 1300, 1495, 1625, 1840, 1880, 2000, 2162, 2300, 2350, 2392, 2444, 2600, 2875, 2990, 3055, 3250, 3760, 4324, 4600, 4700, 4784, 4888, 5200, 5405, 5750, 5875, 5980, 6110, 6500, 7475, 8648, 9200, 9400, 9776, 10810, 11500, 11750, 11960, 12220, 13000, 14053, 14950, 15275, 17296, 18800, 21620, 23000, 23500, 23920, 24440, 26000, 27025, 28106, 29900, 30550, 37375, 43240, 46000, 47000, 48880, 54050, 56212, 59800, 61100, 70265, 74750, 76375, 86480, 94000, 108100, 112424, 119600, 122200, 135125, 140530, 149500, 152750, 216200, 224848, 244400, 270250, 281060, 299000, 305500, 351325, 432400, 540500, 562120, 598000, 611000, 702650, 1081000, 1124240, 1222000, 1405300, 1756625, 2162000, 2810600, 3513250, 5621200, 7026500, 14053000, 28106000]

約数ペア:

[(1, 28106000), (2, 14053000), (4, 7026500), (5, 5621200), (8, 3513250), (10, 2810600), (13, 2162000), (16, 1756625), (20, 1405300), (23, 1222000), (25, 1124240), (26, 1081000), (40, 702650), (46, 611000), (47, 598000), (50, 562120), (52, 540500), (65, 432400), (80, 351325), (92, 305500), (94, 299000), (100, 281060), (104, 270250), (115, 244400), (125, 224848), (130, 216200), (184, 152750), (188, 149500), (200, 140530), (208, 135125), (230, 122200), (235, 119600), (250, 112424), (260, 108100), (299, 94000), (325, 86480), (368, 76375), (376, 74750), (400, 70265), (460, 61100), (470, 59800), (500, 56212), (520, 54050), (575, 48880), (598, 47000), (611, 46000), (650, 43240), (752, 37375), (920, 30550), (940, 29900), (1000, 28106), (1040, 27025), (1081, 26000), (1150, 24440), (1175, 23920), (1196, 23500), (1222, 23000), (1300, 21620), (1495, 18800), (1625, 17296), (1840, 15275), (1880, 14950), (2000, 14053), (2162, 13000), (2300, 12220), (2350, 11960), (2392, 11750), (2444, 11500), (2600, 10810), (2875, 9776), (2990, 9400), (3055, 9200), (3250, 8648), (3760, 7475), (4324, 6500), (4600, 6110), (4700, 5980), (4784, 5875), (4888, 5750), (5200, 5405)]