197128960

素因数分解:

$2^8\times 5^1\times 7^3\times {\mathrm{449}}^1$

素因数の和:491

約数の個数: 144

約数和(自身を含む): 551880000

約数和(自身を除く): 354751040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 343, 392, 448, 449, 490, 560, 640, 686, 784, 896, 898, 980, 1120, 1280, 1372, 1568, 1715, 1792, 1796, 1960, 2240, 2245, 2744, 3136, 3143, 3430, 3592, 3920, 4480, 4490, 5488, 6272, 6286, 6860, 7184, 7840, 8960, 8980, 10976, 12544, 12572, 13720, 14368, 15680, 15715, 17960, 21952, 22001, 25144, 27440, 28736, 31360, 31430, 35920, 43904, 44002, 50288, 54880, 57472, 62720, 62860, 71840, 87808, 88004, 100576, 109760, 110005, 114944, 125720, 143680, 154007, 176008, 201152, 219520, 220010, 251440, 287360, 308014, 352016, 402304, 439040, 440020, 502880, 574720, 616028, 704032, 770035, 804608, 880040, 1005760, 1232056, 1408064, 1540070, 1760080, 2011520, 2464112, 2816128, 3080140, 3520160, 4023040, 4928224, 5632256, 6160280, 7040320, 9856448, 12320560, 14080640, 19712896, 24641120, 28161280, 39425792, 49282240, 98564480, 197128960]

約数ペア:

[(1, 197128960), (2, 98564480), (4, 49282240), (5, 39425792), (7, 28161280), (8, 24641120), (10, 19712896), (14, 14080640), (16, 12320560), (20, 9856448), (28, 7040320), (32, 6160280), (35, 5632256), (40, 4928224), (49, 4023040), (56, 3520160), (64, 3080140), (70, 2816128), (80, 2464112), (98, 2011520), (112, 1760080), (128, 1540070), (140, 1408064), (160, 1232056), (196, 1005760), (224, 880040), (245, 804608), (256, 770035), (280, 704032), (320, 616028), (343, 574720), (392, 502880), (448, 440020), (449, 439040), (490, 402304), (560, 352016), (640, 308014), (686, 287360), (784, 251440), (896, 220010), (898, 219520), (980, 201152), (1120, 176008), (1280, 154007), (1372, 143680), (1568, 125720), (1715, 114944), (1792, 110005), (1796, 109760), (1960, 100576), (2240, 88004), (2245, 87808), (2744, 71840), (3136, 62860), (3143, 62720), (3430, 57472), (3592, 54880), (3920, 50288), (4480, 44002), (4490, 43904), (5488, 35920), (6272, 31430), (6286, 31360), (6860, 28736), (7184, 27440), (7840, 25144), (8960, 22001), (8980, 21952), (10976, 17960), (12544, 15715), (12572, 15680), (13720, 14368)]