198740080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{419}}^1$

素因数の和:468

約数の個数: 180

約数和(自身を含む): 592227720

約数和(自身を除く): 393487640

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 121, 140, 154, 176, 196, 220, 242, 245, 280, 308, 385, 392, 419, 440, 484, 490, 539, 560, 605, 616, 770, 784, 838, 847, 880, 968, 980, 1078, 1210, 1232, 1540, 1676, 1694, 1936, 1960, 2095, 2156, 2420, 2695, 2933, 3080, 3352, 3388, 3920, 4190, 4235, 4312, 4609, 4840, 5390, 5866, 5929, 6160, 6704, 6776, 8380, 8470, 8624, 9218, 9680, 10780, 11732, 11858, 13552, 14665, 16760, 16940, 18436, 20531, 21560, 23045, 23464, 23716, 29330, 29645, 32263, 33520, 33880, 36872, 41062, 43120, 46090, 46928, 47432, 50699, 58660, 59290, 64526, 67760, 73744, 82124, 92180, 94864, 101398, 102655, 117320, 118580, 129052, 161315, 164248, 184360, 202796, 205310, 225841, 234640, 237160, 253495, 258104, 322630, 328496, 354893, 368720, 405592, 410620, 451682, 474320, 506990, 516208, 645260, 709786, 811184, 821240, 903364, 1013980, 1129205, 1290520, 1419572, 1642480, 1774465, 1806728, 2027960, 2258410, 2484251, 2581040, 2839144, 3548930, 3613456, 4055920, 4516820, 4968502, 5678288, 7097860, 9033640, 9937004, 12421255, 14195720, 18067280, 19874008, 24842510, 28391440, 39748016, 49685020, 99370040, 198740080]

約数ペア:

[(1, 198740080), (2, 99370040), (4, 49685020), (5, 39748016), (7, 28391440), (8, 24842510), (10, 19874008), (11, 18067280), (14, 14195720), (16, 12421255), (20, 9937004), (22, 9033640), (28, 7097860), (35, 5678288), (40, 4968502), (44, 4516820), (49, 4055920), (55, 3613456), (56, 3548930), (70, 2839144), (77, 2581040), (80, 2484251), (88, 2258410), (98, 2027960), (110, 1806728), (112, 1774465), (121, 1642480), (140, 1419572), (154, 1290520), (176, 1129205), (196, 1013980), (220, 903364), (242, 821240), (245, 811184), (280, 709786), (308, 645260), (385, 516208), (392, 506990), (419, 474320), (440, 451682), (484, 410620), (490, 405592), (539, 368720), (560, 354893), (605, 328496), (616, 322630), (770, 258104), (784, 253495), (838, 237160), (847, 234640), (880, 225841), (968, 205310), (980, 202796), (1078, 184360), (1210, 164248), (1232, 161315), (1540, 129052), (1676, 118580), (1694, 117320), (1936, 102655), (1960, 101398), (2095, 94864), (2156, 92180), (2420, 82124), (2695, 73744), (2933, 67760), (3080, 64526), (3352, 59290), (3388, 58660), (3920, 50699), (4190, 47432), (4235, 46928), (4312, 46090), (4609, 43120), (4840, 41062), (5390, 36872), (5866, 33880), (5929, 33520), (6160, 32263), (6704, 29645), (6776, 29330), (8380, 23716), (8470, 23464), (8624, 23045), (9218, 21560), (9680, 20531), (10780, 18436), (11732, 16940), (11858, 16760), (13552, 14665)]