246997760

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11351}}^1$

素因数の和:11389

約数の個数: 72

約数和(自身を含む): 626494176

約数和(自身を除く): 379496416

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 4352, 5440, 10880, 11351, 21760, 22702, 45404, 56755, 90808, 113510, 181616, 192967, 227020, 363232, 385934, 454040, 726464, 771868, 908080, 964835, 1452928, 1543736, 1816160, 1929670, 2905856, 3087472, 3632320, 3859340, 6174944, 7264640, 7718680, 12349888, 14529280, 15437360, 24699776, 30874720, 49399552, 61749440, 123498880, 246997760]

約数ペア:

[(1, 246997760), (2, 123498880), (4, 61749440), (5, 49399552), (8, 30874720), (10, 24699776), (16, 15437360), (17, 14529280), (20, 12349888), (32, 7718680), (34, 7264640), (40, 6174944), (64, 3859340), (68, 3632320), (80, 3087472), (85, 2905856), (128, 1929670), (136, 1816160), (160, 1543736), (170, 1452928), (256, 964835), (272, 908080), (320, 771868), (340, 726464), (544, 454040), (640, 385934), (680, 363232), (1088, 227020), (1280, 192967), (1360, 181616), (2176, 113510), (2720, 90808), (4352, 56755), (5440, 45404), (10880, 22702), (11351, 21760)]