49843780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{281}}^1$

素因数の和:485

約数の個数: 72

約数和(自身を含む): 122869656

約数和(自身を除く): 73025876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 181, 196, 245, 281, 362, 490, 562, 724, 905, 980, 1124, 1267, 1405, 1810, 1967, 2534, 2810, 3620, 3934, 5068, 5620, 6335, 7868, 8869, 9835, 12670, 13769, 17738, 19670, 25340, 27538, 35476, 39340, 44345, 50861, 55076, 68845, 88690, 101722, 137690, 177380, 203444, 254305, 275380, 356027, 508610, 712054, 1017220, 1424108, 1780135, 2492189, 3560270, 4984378, 7120540, 9968756, 12460945, 24921890, 49843780]

約数ペア:

[(1, 49843780), (2, 24921890), (4, 12460945), (5, 9968756), (7, 7120540), (10, 4984378), (14, 3560270), (20, 2492189), (28, 1780135), (35, 1424108), (49, 1017220), (70, 712054), (98, 508610), (140, 356027), (181, 275380), (196, 254305), (245, 203444), (281, 177380), (362, 137690), (490, 101722), (562, 88690), (724, 68845), (905, 55076), (980, 50861), (1124, 44345), (1267, 39340), (1405, 35476), (1810, 27538), (1967, 25340), (2534, 19670), (2810, 17738), (3620, 13769), (3934, 12670), (5068, 9835), (5620, 8869), (6335, 7868)]