209909504

素因数分解:

$2^8\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2857}}^1$

素因数の和:2921

約数の個数: 72

約数和(自身を含む): 490707168

約数和(自身を除く): 280797664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 64, 82, 112, 128, 164, 224, 256, 287, 328, 448, 574, 656, 896, 1148, 1312, 1792, 2296, 2624, 2857, 4592, 5248, 5714, 9184, 10496, 11428, 18368, 19999, 22856, 36736, 39998, 45712, 73472, 79996, 91424, 117137, 159992, 182848, 234274, 319984, 365696, 468548, 639968, 731392, 819959, 937096, 1279936, 1639918, 1874192, 2559872, 3279836, 3748384, 5119744, 6559672, 7496768, 13119344, 14993536, 26238688, 29987072, 52477376, 104954752, 209909504]

約数ペア:

[(1, 209909504), (2, 104954752), (4, 52477376), (7, 29987072), (8, 26238688), (14, 14993536), (16, 13119344), (28, 7496768), (32, 6559672), (41, 5119744), (56, 3748384), (64, 3279836), (82, 2559872), (112, 1874192), (128, 1639918), (164, 1279936), (224, 937096), (256, 819959), (287, 731392), (328, 639968), (448, 468548), (574, 365696), (656, 319984), (896, 234274), (1148, 182848), (1312, 159992), (1792, 117137), (2296, 91424), (2624, 79996), (2857, 73472), (4592, 45712), (5248, 39998), (5714, 36736), (9184, 22856), (10496, 19999), (11428, 18368)]