201820672

素因数分解:

$2^9\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:253

約数の個数: 80

約数和(自身を含む): 421312320

約数和(自身を除く): 219491648

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 89, 103, 128, 172, 178, 206, 256, 344, 356, 412, 512, 688, 712, 824, 1376, 1424, 1648, 2752, 2848, 3296, 3827, 4429, 5504, 5696, 6592, 7654, 8858, 9167, 11008, 11392, 13184, 15308, 17716, 18334, 22016, 22784, 26368, 30616, 35432, 36668, 45568, 52736, 61232, 70864, 73336, 122464, 141728, 146672, 244928, 283456, 293344, 394181, 489856, 566912, 586688, 788362, 979712, 1133824, 1173376, 1576724, 1959424, 2267648, 2346752, 3153448, 4693504, 6306896, 12613792, 25227584, 50455168, 100910336, 201820672]

約数ペア:

[(1, 201820672), (2, 100910336), (4, 50455168), (8, 25227584), (16, 12613792), (32, 6306896), (43, 4693504), (64, 3153448), (86, 2346752), (89, 2267648), (103, 1959424), (128, 1576724), (172, 1173376), (178, 1133824), (206, 979712), (256, 788362), (344, 586688), (356, 566912), (412, 489856), (512, 394181), (688, 293344), (712, 283456), (824, 244928), (1376, 146672), (1424, 141728), (1648, 122464), (2752, 73336), (2848, 70864), (3296, 61232), (3827, 52736), (4429, 45568), (5504, 36668), (5696, 35432), (6592, 30616), (7654, 26368), (8858, 22784), (9167, 22016), (11008, 18334), (11392, 17716), (13184, 15308)]