195717760

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{79}}^2$

素因数の和:191

約数の個数: 144

約数和(自身を含む): 551254410

約数和(自身を除く): 355536650

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 79, 80, 98, 112, 128, 140, 158, 160, 196, 224, 245, 280, 316, 320, 392, 395, 448, 490, 553, 560, 632, 640, 784, 790, 896, 980, 1106, 1120, 1264, 1568, 1580, 1960, 2212, 2240, 2528, 2765, 3136, 3160, 3871, 3920, 4424, 4480, 5056, 5530, 6241, 6272, 6320, 7742, 7840, 8848, 10112, 11060, 12482, 12640, 15484, 15680, 17696, 19355, 22120, 24964, 25280, 30968, 31205, 31360, 35392, 38710, 43687, 44240, 49928, 50560, 61936, 62410, 70784, 77420, 87374, 88480, 99856, 123872, 124820, 154840, 174748, 176960, 199712, 218435, 247744, 249640, 305809, 309680, 349496, 353920, 399424, 436870, 495488, 499280, 611618, 619360, 698992, 798848, 873740, 998560, 1223236, 1238720, 1397984, 1529045, 1747480, 1997120, 2446472, 2477440, 2795968, 3058090, 3494960, 3994240, 4892944, 5591936, 6116180, 6989920, 9785888, 12232360, 13979840, 19571776, 24464720, 27959680, 39143552, 48929440, 97858880, 195717760]

約数ペア:

[(1, 195717760), (2, 97858880), (4, 48929440), (5, 39143552), (7, 27959680), (8, 24464720), (10, 19571776), (14, 13979840), (16, 12232360), (20, 9785888), (28, 6989920), (32, 6116180), (35, 5591936), (40, 4892944), (49, 3994240), (56, 3494960), (64, 3058090), (70, 2795968), (79, 2477440), (80, 2446472), (98, 1997120), (112, 1747480), (128, 1529045), (140, 1397984), (158, 1238720), (160, 1223236), (196, 998560), (224, 873740), (245, 798848), (280, 698992), (316, 619360), (320, 611618), (392, 499280), (395, 495488), (448, 436870), (490, 399424), (553, 353920), (560, 349496), (632, 309680), (640, 305809), (784, 249640), (790, 247744), (896, 218435), (980, 199712), (1106, 176960), (1120, 174748), (1264, 154840), (1568, 124820), (1580, 123872), (1960, 99856), (2212, 88480), (2240, 87374), (2528, 77420), (2765, 70784), (3136, 62410), (3160, 61936), (3871, 50560), (3920, 49928), (4424, 44240), (4480, 43687), (5056, 38710), (5530, 35392), (6241, 31360), (6272, 31205), (6320, 30968), (7742, 25280), (7840, 24964), (8848, 22120), (10112, 19355), (11060, 17696), (12482, 15680), (12640, 15484)]