318970400

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:216

約数の個数: 216

約数和(自身を含む): 926190720

約数和(自身を除く): 607220320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 79, 80, 98, 100, 103, 112, 140, 158, 160, 175, 196, 200, 206, 224, 245, 280, 316, 350, 392, 395, 400, 412, 490, 515, 553, 560, 632, 700, 721, 784, 790, 800, 824, 980, 1030, 1106, 1120, 1225, 1264, 1400, 1442, 1568, 1580, 1648, 1960, 1975, 2060, 2212, 2450, 2528, 2575, 2765, 2800, 2884, 3160, 3296, 3605, 3871, 3920, 3950, 4120, 4424, 4900, 5047, 5150, 5530, 5600, 5768, 6320, 7210, 7742, 7840, 7900, 8137, 8240, 8848, 9800, 10094, 10300, 11060, 11536, 12640, 13825, 14420, 15484, 15800, 16274, 16480, 17696, 18025, 19355, 19600, 20188, 20600, 22120, 23072, 25235, 27650, 28840, 30968, 31600, 32548, 36050, 38710, 39200, 40376, 40685, 41200, 44240, 50470, 55300, 56959, 57680, 61936, 63200, 65096, 72100, 77420, 80752, 81370, 82400, 88480, 96775, 100940, 110600, 113918, 115360, 123872, 126175, 130192, 144200, 154840, 161504, 162740, 193550, 201880, 203425, 221200, 227836, 252350, 260384, 284795, 288400, 309680, 325480, 387100, 398713, 403760, 406850, 442400, 455672, 504700, 569590, 576800, 619360, 650960, 774200, 797426, 807520, 813700, 911344, 1009400, 1139180, 1301920, 1423975, 1548400, 1594852, 1627400, 1822688, 1993565, 2018800, 2278360, 2847950, 3096800, 3189704, 3254800, 3987130, 4037600, 4556720, 5695900, 6379408, 6509600, 7974260, 9113440, 9967825, 11391800, 12758816, 15948520, 19935650, 22783600, 31897040, 39871300, 45567200, 63794080, 79742600, 159485200, 318970400]

約数ペア:

[(1, 318970400), (2, 159485200), (4, 79742600), (5, 63794080), (7, 45567200), (8, 39871300), (10, 31897040), (14, 22783600), (16, 19935650), (20, 15948520), (25, 12758816), (28, 11391800), (32, 9967825), (35, 9113440), (40, 7974260), (49, 6509600), (50, 6379408), (56, 5695900), (70, 4556720), (79, 4037600), (80, 3987130), (98, 3254800), (100, 3189704), (103, 3096800), (112, 2847950), (140, 2278360), (158, 2018800), (160, 1993565), (175, 1822688), (196, 1627400), (200, 1594852), (206, 1548400), (224, 1423975), (245, 1301920), (280, 1139180), (316, 1009400), (350, 911344), (392, 813700), (395, 807520), (400, 797426), (412, 774200), (490, 650960), (515, 619360), (553, 576800), (560, 569590), (632, 504700), (700, 455672), (721, 442400), (784, 406850), (790, 403760), (800, 398713), (824, 387100), (980, 325480), (1030, 309680), (1106, 288400), (1120, 284795), (1225, 260384), (1264, 252350), (1400, 227836), (1442, 221200), (1568, 203425), (1580, 201880), (1648, 193550), (1960, 162740), (1975, 161504), (2060, 154840), (2212, 144200), (2450, 130192), (2528, 126175), (2575, 123872), (2765, 115360), (2800, 113918), (2884, 110600), (3160, 100940), (3296, 96775), (3605, 88480), (3871, 82400), (3920, 81370), (3950, 80752), (4120, 77420), (4424, 72100), (4900, 65096), (5047, 63200), (5150, 61936), (5530, 57680), (5600, 56959), (5768, 55300), (6320, 50470), (7210, 44240), (7742, 41200), (7840, 40685), (7900, 40376), (8137, 39200), (8240, 38710), (8848, 36050), (9800, 32548), (10094, 31600), (10300, 30968), (11060, 28840), (11536, 27650), (12640, 25235), (13825, 23072), (14420, 22120), (15484, 20600), (15800, 20188), (16274, 19600), (16480, 19355), (17696, 18025)]