51733780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{823}}^1$

素因数の和:1288

約数の個数: 48

約数和(自身を含む): 124588800

約数和(自身を除く): 72855020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 449, 823, 898, 1646, 1796, 2245, 3143, 3292, 4115, 4490, 5761, 6286, 8230, 8980, 11522, 12572, 15715, 16460, 23044, 28805, 31430, 57610, 62860, 115220, 369527, 739054, 1478108, 1847635, 2586689, 3695270, 5173378, 7390540, 10346756, 12933445, 25866890, 51733780]

約数ペア:

[(1, 51733780), (2, 25866890), (4, 12933445), (5, 10346756), (7, 7390540), (10, 5173378), (14, 3695270), (20, 2586689), (28, 1847635), (35, 1478108), (70, 739054), (140, 369527), (449, 115220), (823, 62860), (898, 57610), (1646, 31430), (1796, 28805), (2245, 23044), (3143, 16460), (3292, 15715), (4115, 12572), (4490, 11522), (5761, 8980), (6286, 8230)]