28351800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{829}}^1$

素因数の和:870

約数の個数: 144

約数和(自身を含む): 100347000

約数和(自身を除く): 71995200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 25, 30, 36, 38, 40, 45, 50, 57, 60, 72, 75, 76, 90, 95, 100, 114, 120, 150, 152, 171, 180, 190, 200, 225, 228, 285, 300, 342, 360, 380, 450, 456, 475, 570, 600, 684, 760, 829, 855, 900, 950, 1140, 1368, 1425, 1658, 1710, 1800, 1900, 2280, 2487, 2850, 3316, 3420, 3800, 4145, 4275, 4974, 5700, 6632, 6840, 7461, 8290, 8550, 9948, 11400, 12435, 14922, 15751, 16580, 17100, 19896, 20725, 24870, 29844, 31502, 33160, 34200, 37305, 41450, 47253, 49740, 59688, 62175, 63004, 74610, 78755, 82900, 94506, 99480, 124350, 126008, 141759, 149220, 157510, 165800, 186525, 189012, 236265, 248700, 283518, 298440, 315020, 373050, 378024, 393775, 472530, 497400, 567036, 630040, 708795, 746100, 787550, 945060, 1134072, 1181325, 1417590, 1492200, 1575100, 1890120, 2362650, 2835180, 3150200, 3543975, 4725300, 5670360, 7087950, 9450600, 14175900, 28351800]

約数ペア:

[(1, 28351800), (2, 14175900), (3, 9450600), (4, 7087950), (5, 5670360), (6, 4725300), (8, 3543975), (9, 3150200), (10, 2835180), (12, 2362650), (15, 1890120), (18, 1575100), (19, 1492200), (20, 1417590), (24, 1181325), (25, 1134072), (30, 945060), (36, 787550), (38, 746100), (40, 708795), (45, 630040), (50, 567036), (57, 497400), (60, 472530), (72, 393775), (75, 378024), (76, 373050), (90, 315020), (95, 298440), (100, 283518), (114, 248700), (120, 236265), (150, 189012), (152, 186525), (171, 165800), (180, 157510), (190, 149220), (200, 141759), (225, 126008), (228, 124350), (285, 99480), (300, 94506), (342, 82900), (360, 78755), (380, 74610), (450, 63004), (456, 62175), (475, 59688), (570, 49740), (600, 47253), (684, 41450), (760, 37305), (829, 34200), (855, 33160), (900, 31502), (950, 29844), (1140, 24870), (1368, 20725), (1425, 19896), (1658, 17100), (1710, 16580), (1800, 15751), (1900, 14922), (2280, 12435), (2487, 11400), (2850, 9948), (3316, 8550), (3420, 8290), (3800, 7461), (4145, 6840), (4275, 6632), (4974, 5700)]