205984240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1$

素因数の和:336

約数の個数: 240

約数和(自身を含む): 645789024

約数和(自身を除く): 439804784

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 17, 20, 22, 28, 34, 35, 40, 44, 49, 55, 56, 68, 70, 77, 80, 85, 88, 98, 110, 112, 119, 136, 140, 154, 170, 176, 187, 196, 220, 238, 245, 272, 280, 281, 308, 340, 374, 385, 392, 440, 476, 490, 539, 560, 562, 595, 616, 680, 748, 770, 784, 833, 880, 935, 952, 980, 1078, 1124, 1190, 1232, 1309, 1360, 1405, 1496, 1540, 1666, 1870, 1904, 1960, 1967, 2156, 2248, 2380, 2618, 2695, 2810, 2992, 3080, 3091, 3332, 3740, 3920, 3934, 4165, 4312, 4496, 4760, 4777, 5236, 5390, 5620, 6160, 6182, 6545, 6664, 7480, 7868, 8330, 8624, 9163, 9520, 9554, 9835, 10472, 10780, 11240, 12364, 13090, 13328, 13769, 14960, 15455, 15736, 16660, 18326, 19108, 19670, 20944, 21560, 21637, 22480, 23885, 24728, 26180, 27538, 30910, 31472, 33320, 33439, 36652, 38216, 39340, 43120, 43274, 45815, 47770, 49456, 52360, 52547, 55076, 61820, 66640, 66878, 68845, 73304, 76432, 78680, 86548, 91630, 95540, 104720, 105094, 108185, 110152, 123640, 133756, 137690, 146608, 151459, 157360, 167195, 173096, 183260, 191080, 210188, 216370, 220304, 234073, 247280, 262735, 267512, 275380, 302918, 334390, 346192, 366520, 367829, 382160, 420376, 432740, 468146, 525470, 535024, 550760, 605836, 668780, 733040, 735658, 757295, 840752, 865480, 936292, 1050940, 1101520, 1170365, 1211672, 1337560, 1471316, 1514590, 1730960, 1839145, 1872584, 2101880, 2340730, 2423344, 2574803, 2675120, 2942632, 3029180, 3678290, 3745168, 4203760, 4681460, 5149606, 5885264, 6058360, 7356580, 9362920, 10299212, 12116720, 12874015, 14713160, 18725840, 20598424, 25748030, 29426320, 41196848, 51496060, 102992120, 205984240]

約数ペア:

[(1, 205984240), (2, 102992120), (4, 51496060), (5, 41196848), (7, 29426320), (8, 25748030), (10, 20598424), (11, 18725840), (14, 14713160), (16, 12874015), (17, 12116720), (20, 10299212), (22, 9362920), (28, 7356580), (34, 6058360), (35, 5885264), (40, 5149606), (44, 4681460), (49, 4203760), (55, 3745168), (56, 3678290), (68, 3029180), (70, 2942632), (77, 2675120), (80, 2574803), (85, 2423344), (88, 2340730), (98, 2101880), (110, 1872584), (112, 1839145), (119, 1730960), (136, 1514590), (140, 1471316), (154, 1337560), (170, 1211672), (176, 1170365), (187, 1101520), (196, 1050940), (220, 936292), (238, 865480), (245, 840752), (272, 757295), (280, 735658), (281, 733040), (308, 668780), (340, 605836), (374, 550760), (385, 535024), (392, 525470), (440, 468146), (476, 432740), (490, 420376), (539, 382160), (560, 367829), (562, 366520), (595, 346192), (616, 334390), (680, 302918), (748, 275380), (770, 267512), (784, 262735), (833, 247280), (880, 234073), (935, 220304), (952, 216370), (980, 210188), (1078, 191080), (1124, 183260), (1190, 173096), (1232, 167195), (1309, 157360), (1360, 151459), (1405, 146608), (1496, 137690), (1540, 133756), (1666, 123640), (1870, 110152), (1904, 108185), (1960, 105094), (1967, 104720), (2156, 95540), (2248, 91630), (2380, 86548), (2618, 78680), (2695, 76432), (2810, 73304), (2992, 68845), (3080, 66878), (3091, 66640), (3332, 61820), (3740, 55076), (3920, 52547), (3934, 52360), (4165, 49456), (4312, 47770), (4496, 45815), (4760, 43274), (4777, 43120), (5236, 39340), (5390, 38216), (5620, 36652), (6160, 33439), (6182, 33320), (6545, 31472), (6664, 30910), (7480, 27538), (7868, 26180), (8330, 24728), (8624, 23885), (9163, 22480), (9520, 21637), (9554, 21560), (9835, 20944), (10472, 19670), (10780, 19108), (11240, 18326), (12364, 16660), (13090, 15736), (13328, 15455), (13769, 14960)]