385280

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{43}}^1$

素因数の和:71

約数の個数: 72

約数和(自身を含む): 1079232

約数和(自身を除く): 693952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 64, 70, 80, 86, 112, 128, 140, 160, 172, 215, 224, 256, 280, 301, 320, 344, 430, 448, 560, 602, 640, 688, 860, 896, 1120, 1204, 1280, 1376, 1505, 1720, 1792, 2240, 2408, 2752, 3010, 3440, 4480, 4816, 5504, 6020, 6880, 8960, 9632, 11008, 12040, 13760, 19264, 24080, 27520, 38528, 48160, 55040, 77056, 96320, 192640, 385280]

約数ペア:

[(1, 385280), (2, 192640), (4, 96320), (5, 77056), (7, 55040), (8, 48160), (10, 38528), (14, 27520), (16, 24080), (20, 19264), (28, 13760), (32, 12040), (35, 11008), (40, 9632), (43, 8960), (56, 6880), (64, 6020), (70, 5504), (80, 4816), (86, 4480), (112, 3440), (128, 3010), (140, 2752), (160, 2408), (172, 2240), (215, 1792), (224, 1720), (256, 1505), (280, 1376), (301, 1280), (320, 1204), (344, 1120), (430, 896), (448, 860), (560, 688), (602, 640)]