74909440

素因数分解:

$2^8\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1361}}^1$

素因数の和:1425

約数の個数: 72

約数和(自身を含む): 183739248

約数和(自身を除く): 108829808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 430, 640, 688, 860, 1280, 1361, 1376, 1720, 2722, 2752, 3440, 5444, 5504, 6805, 6880, 10888, 11008, 13610, 13760, 21776, 27220, 27520, 43552, 54440, 55040, 58523, 87104, 108880, 117046, 174208, 217760, 234092, 292615, 348416, 435520, 468184, 585230, 871040, 936368, 1170460, 1742080, 1872736, 2340920, 3745472, 4681840, 7490944, 9363680, 14981888, 18727360, 37454720, 74909440]

約数ペア:

[(1, 74909440), (2, 37454720), (4, 18727360), (5, 14981888), (8, 9363680), (10, 7490944), (16, 4681840), (20, 3745472), (32, 2340920), (40, 1872736), (43, 1742080), (64, 1170460), (80, 936368), (86, 871040), (128, 585230), (160, 468184), (172, 435520), (215, 348416), (256, 292615), (320, 234092), (344, 217760), (430, 174208), (640, 117046), (688, 108880), (860, 87104), (1280, 58523), (1361, 55040), (1376, 54440), (1720, 43552), (2722, 27520), (2752, 27220), (3440, 21776), (5444, 13760), (5504, 13610), (6805, 11008), (6880, 10888)]