28708200

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:452

約数の個数: 144

約数和(自身を含む): 99017100

約数和(自身を除く): 70308900

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 41, 45, 50, 60, 72, 75, 82, 90, 100, 120, 123, 150, 164, 180, 200, 205, 225, 246, 300, 328, 360, 369, 389, 410, 450, 492, 600, 615, 738, 778, 820, 900, 984, 1025, 1167, 1230, 1476, 1556, 1640, 1800, 1845, 1945, 2050, 2334, 2460, 2952, 3075, 3112, 3501, 3690, 3890, 4100, 4668, 4920, 5835, 6150, 7002, 7380, 7780, 8200, 9225, 9336, 9725, 11670, 12300, 14004, 14760, 15560, 15949, 17505, 18450, 19450, 23340, 24600, 28008, 29175, 31898, 35010, 36900, 38900, 46680, 47847, 58350, 63796, 70020, 73800, 77800, 79745, 87525, 95694, 116700, 127592, 140040, 143541, 159490, 175050, 191388, 233400, 239235, 287082, 318980, 350100, 382776, 398725, 478470, 574164, 637960, 700200, 717705, 797450, 956940, 1148328, 1196175, 1435410, 1594900, 1913880, 2392350, 2870820, 3189800, 3588525, 4784700, 5741640, 7177050, 9569400, 14354100, 28708200]

約数ペア:

[(1, 28708200), (2, 14354100), (3, 9569400), (4, 7177050), (5, 5741640), (6, 4784700), (8, 3588525), (9, 3189800), (10, 2870820), (12, 2392350), (15, 1913880), (18, 1594900), (20, 1435410), (24, 1196175), (25, 1148328), (30, 956940), (36, 797450), (40, 717705), (41, 700200), (45, 637960), (50, 574164), (60, 478470), (72, 398725), (75, 382776), (82, 350100), (90, 318980), (100, 287082), (120, 239235), (123, 233400), (150, 191388), (164, 175050), (180, 159490), (200, 143541), (205, 140040), (225, 127592), (246, 116700), (300, 95694), (328, 87525), (360, 79745), (369, 77800), (389, 73800), (410, 70020), (450, 63796), (492, 58350), (600, 47847), (615, 46680), (738, 38900), (778, 36900), (820, 35010), (900, 31898), (984, 29175), (1025, 28008), (1167, 24600), (1230, 23340), (1476, 19450), (1556, 18450), (1640, 17505), (1800, 15949), (1845, 15560), (1945, 14760), (2050, 14004), (2334, 12300), (2460, 11670), (2952, 9725), (3075, 9336), (3112, 9225), (3501, 8200), (3690, 7780), (3890, 7380), (4100, 7002), (4668, 6150), (4920, 5835)]