2394140

素因数分解:

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

素因数の和:379

約数の個数: 48

約数和(自身を含む): 5880000

約数和(自身を除く): 3485860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 349, 490, 686, 698, 980, 1372, 1396, 1715, 1745, 2443, 3430, 3490, 4886, 6860, 6980, 9772, 12215, 17101, 24430, 34202, 48860, 68404, 85505, 119707, 171010, 239414, 342020, 478828, 598535, 1197070, 2394140]

約数ペア:

[(1, 2394140), (2, 1197070), (4, 598535), (5, 478828), (7, 342020), (10, 239414), (14, 171010), (20, 119707), (28, 85505), (35, 68404), (49, 48860), (70, 34202), (98, 24430), (140, 17101), (196, 12215), (245, 9772), (343, 6980), (349, 6860), (490, 4886), (686, 3490), (698, 3430), (980, 2443), (1372, 1745), (1396, 1715)]