489294400

素因数分解:

$2^6\times 5^2\times 7^2\times {\mathrm{79}}^2$

素因数の和:194

約数の個数: 189

約数和(自身を含む): 1418489289

約数和(自身を除く): 929194889

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 79, 80, 98, 100, 112, 140, 158, 160, 175, 196, 200, 224, 245, 280, 316, 320, 350, 392, 395, 400, 448, 490, 553, 560, 632, 700, 784, 790, 800, 980, 1106, 1120, 1225, 1264, 1400, 1568, 1580, 1600, 1960, 1975, 2212, 2240, 2450, 2528, 2765, 2800, 3136, 3160, 3871, 3920, 3950, 4424, 4900, 5056, 5530, 5600, 6241, 6320, 7742, 7840, 7900, 8848, 9800, 11060, 11200, 12482, 12640, 13825, 15484, 15680, 15800, 17696, 19355, 19600, 22120, 24964, 25280, 27650, 30968, 31205, 31600, 35392, 38710, 39200, 43687, 44240, 49928, 55300, 61936, 62410, 63200, 77420, 78400, 87374, 88480, 96775, 99856, 110600, 123872, 124820, 126400, 154840, 156025, 174748, 176960, 193550, 199712, 218435, 221200, 247744, 249640, 305809, 309680, 312050, 349496, 387100, 399424, 436870, 442400, 499280, 611618, 619360, 624100, 698992, 774200, 873740, 884800, 998560, 1092175, 1223236, 1238720, 1248200, 1397984, 1529045, 1548400, 1747480, 1997120, 2184350, 2446472, 2496400, 2795968, 3058090, 3096800, 3494960, 4368700, 4892944, 4992800, 6116180, 6193600, 6989920, 7645225, 8737400, 9785888, 9985600, 12232360, 13979840, 15290450, 17474800, 19571776, 24464720, 30580900, 34949600, 48929440, 61161800, 69899200, 97858880, 122323600, 244647200, 489294400]

約数ペア:

[(1, 489294400), (2, 244647200), (4, 122323600), (5, 97858880), (7, 69899200), (8, 61161800), (10, 48929440), (14, 34949600), (16, 30580900), (20, 24464720), (25, 19571776), (28, 17474800), (32, 15290450), (35, 13979840), (40, 12232360), (49, 9985600), (50, 9785888), (56, 8737400), (64, 7645225), (70, 6989920), (79, 6193600), (80, 6116180), (98, 4992800), (100, 4892944), (112, 4368700), (140, 3494960), (158, 3096800), (160, 3058090), (175, 2795968), (196, 2496400), (200, 2446472), (224, 2184350), (245, 1997120), (280, 1747480), (316, 1548400), (320, 1529045), (350, 1397984), (392, 1248200), (395, 1238720), (400, 1223236), (448, 1092175), (490, 998560), (553, 884800), (560, 873740), (632, 774200), (700, 698992), (784, 624100), (790, 619360), (800, 611618), (980, 499280), (1106, 442400), (1120, 436870), (1225, 399424), (1264, 387100), (1400, 349496), (1568, 312050), (1580, 309680), (1600, 305809), (1960, 249640), (1975, 247744), (2212, 221200), (2240, 218435), (2450, 199712), (2528, 193550), (2765, 176960), (2800, 174748), (3136, 156025), (3160, 154840), (3871, 126400), (3920, 124820), (3950, 123872), (4424, 110600), (4900, 99856), (5056, 96775), (5530, 88480), (5600, 87374), (6241, 78400), (6320, 77420), (7742, 63200), (7840, 62410), (7900, 61936), (8848, 55300), (9800, 49928), (11060, 44240), (11200, 43687), (12482, 39200), (12640, 38710), (13825, 35392), (15484, 31600), (15680, 31205), (15800, 30968), (17696, 27650), (19355, 25280), (19600, 24964)]