28013400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:298

約数の個数: 144

約数和(自身を含む): 95752800

約数和(自身を除く): 67739400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 79, 90, 100, 120, 150, 158, 180, 197, 200, 225, 237, 300, 316, 360, 394, 395, 450, 474, 591, 600, 632, 711, 788, 790, 900, 948, 985, 1182, 1185, 1422, 1576, 1580, 1773, 1800, 1896, 1970, 1975, 2364, 2370, 2844, 2955, 3160, 3546, 3555, 3940, 3950, 4728, 4740, 4925, 5688, 5910, 5925, 7092, 7110, 7880, 7900, 8865, 9480, 9850, 11820, 11850, 14184, 14220, 14775, 15563, 15800, 17730, 17775, 19700, 23640, 23700, 28440, 29550, 31126, 35460, 35550, 39400, 44325, 46689, 47400, 59100, 62252, 70920, 71100, 77815, 88650, 93378, 118200, 124504, 140067, 142200, 155630, 177300, 186756, 233445, 280134, 311260, 354600, 373512, 389075, 466890, 560268, 622520, 700335, 778150, 933780, 1120536, 1167225, 1400670, 1556300, 1867560, 2334450, 2801340, 3112600, 3501675, 4668900, 5602680, 7003350, 9337800, 14006700, 28013400]

約数ペア:

[(1, 28013400), (2, 14006700), (3, 9337800), (4, 7003350), (5, 5602680), (6, 4668900), (8, 3501675), (9, 3112600), (10, 2801340), (12, 2334450), (15, 1867560), (18, 1556300), (20, 1400670), (24, 1167225), (25, 1120536), (30, 933780), (36, 778150), (40, 700335), (45, 622520), (50, 560268), (60, 466890), (72, 389075), (75, 373512), (79, 354600), (90, 311260), (100, 280134), (120, 233445), (150, 186756), (158, 177300), (180, 155630), (197, 142200), (200, 140067), (225, 124504), (237, 118200), (300, 93378), (316, 88650), (360, 77815), (394, 71100), (395, 70920), (450, 62252), (474, 59100), (591, 47400), (600, 46689), (632, 44325), (711, 39400), (788, 35550), (790, 35460), (900, 31126), (948, 29550), (985, 28440), (1182, 23700), (1185, 23640), (1422, 19700), (1576, 17775), (1580, 17730), (1773, 15800), (1800, 15563), (1896, 14775), (1970, 14220), (1975, 14184), (2364, 11850), (2370, 11820), (2844, 9850), (2955, 9480), (3160, 8865), (3546, 7900), (3555, 7880), (3940, 7110), (3950, 7092), (4728, 5925), (4740, 5910), (4925, 5688)]