4788280

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{349}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 12600000

約数和(自身を除く): 7811720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 349, 392, 490, 686, 698, 980, 1372, 1396, 1715, 1745, 1960, 2443, 2744, 2792, 3430, 3490, 4886, 6860, 6980, 9772, 12215, 13720, 13960, 17101, 19544, 24430, 34202, 48860, 68404, 85505, 97720, 119707, 136808, 171010, 239414, 342020, 478828, 598535, 684040, 957656, 1197070, 2394140, 4788280]

約数ペア:

[(1, 4788280), (2, 2394140), (4, 1197070), (5, 957656), (7, 684040), (8, 598535), (10, 478828), (14, 342020), (20, 239414), (28, 171010), (35, 136808), (40, 119707), (49, 97720), (56, 85505), (70, 68404), (98, 48860), (140, 34202), (196, 24430), (245, 19544), (280, 17101), (343, 13960), (349, 13720), (392, 12215), (490, 9772), (686, 6980), (698, 6860), (980, 4886), (1372, 3490), (1396, 3430), (1715, 2792), (1745, 2744), (1960, 2443)]