397480160

素因数分解:

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

素因数の和:470

約数の個数: 216

約数和(自身を含む): 1203559560

約数和(自身を除く): 806079400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 121, 140, 154, 160, 176, 196, 220, 224, 242, 245, 280, 308, 352, 385, 392, 419, 440, 484, 490, 539, 560, 605, 616, 770, 784, 838, 847, 880, 968, 980, 1078, 1120, 1210, 1232, 1540, 1568, 1676, 1694, 1760, 1936, 1960, 2095, 2156, 2420, 2464, 2695, 2933, 3080, 3352, 3388, 3872, 3920, 4190, 4235, 4312, 4609, 4840, 5390, 5866, 5929, 6160, 6704, 6776, 7840, 8380, 8470, 8624, 9218, 9680, 10780, 11732, 11858, 12320, 13408, 13552, 14665, 16760, 16940, 17248, 18436, 19360, 20531, 21560, 23045, 23464, 23716, 27104, 29330, 29645, 32263, 33520, 33880, 36872, 41062, 43120, 46090, 46928, 47432, 50699, 58660, 59290, 64526, 67040, 67760, 73744, 82124, 86240, 92180, 93856, 94864, 101398, 102655, 117320, 118580, 129052, 135520, 147488, 161315, 164248, 184360, 189728, 202796, 205310, 225841, 234640, 237160, 253495, 258104, 322630, 328496, 354893, 368720, 405592, 410620, 451682, 469280, 474320, 506990, 516208, 645260, 656992, 709786, 737440, 811184, 821240, 903364, 948640, 1013980, 1032416, 1129205, 1290520, 1419572, 1622368, 1642480, 1774465, 1806728, 2027960, 2258410, 2484251, 2581040, 2839144, 3284960, 3548930, 3613456, 4055920, 4516820, 4968502, 5162080, 5678288, 7097860, 7226912, 8111840, 9033640, 9937004, 11356576, 12421255, 14195720, 18067280, 19874008, 24842510, 28391440, 36134560, 39748016, 49685020, 56782880, 79496032, 99370040, 198740080, 397480160]

約数ペア:

[(1, 397480160), (2, 198740080), (4, 99370040), (5, 79496032), (7, 56782880), (8, 49685020), (10, 39748016), (11, 36134560), (14, 28391440), (16, 24842510), (20, 19874008), (22, 18067280), (28, 14195720), (32, 12421255), (35, 11356576), (40, 9937004), (44, 9033640), (49, 8111840), (55, 7226912), (56, 7097860), (70, 5678288), (77, 5162080), (80, 4968502), (88, 4516820), (98, 4055920), (110, 3613456), (112, 3548930), (121, 3284960), (140, 2839144), (154, 2581040), (160, 2484251), (176, 2258410), (196, 2027960), (220, 1806728), (224, 1774465), (242, 1642480), (245, 1622368), (280, 1419572), (308, 1290520), (352, 1129205), (385, 1032416), (392, 1013980), (419, 948640), (440, 903364), (484, 821240), (490, 811184), (539, 737440), (560, 709786), (605, 656992), (616, 645260), (770, 516208), (784, 506990), (838, 474320), (847, 469280), (880, 451682), (968, 410620), (980, 405592), (1078, 368720), (1120, 354893), (1210, 328496), (1232, 322630), (1540, 258104), (1568, 253495), (1676, 237160), (1694, 234640), (1760, 225841), (1936, 205310), (1960, 202796), (2095, 189728), (2156, 184360), (2420, 164248), (2464, 161315), (2695, 147488), (2933, 135520), (3080, 129052), (3352, 118580), (3388, 117320), (3872, 102655), (3920, 101398), (4190, 94864), (4235, 93856), (4312, 92180), (4609, 86240), (4840, 82124), (5390, 73744), (5866, 67760), (5929, 67040), (6160, 64526), (6704, 59290), (6776, 58660), (7840, 50699), (8380, 47432), (8470, 46928), (8624, 46090), (9218, 43120), (9680, 41062), (10780, 36872), (11732, 33880), (11858, 33520), (12320, 32263), (13408, 29645), (13552, 29330), (14665, 27104), (16760, 23716), (16940, 23464), (17248, 23045), (18436, 21560), (19360, 20531)]