135845780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{15907}}^1$

素因数の和:15984

約数の個数: 48

約数和(自身を含む): 331395456

約数和(自身を除く): 195549676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 15907, 31814, 63628, 79535, 111349, 159070, 222698, 318140, 445396, 556745, 970327, 1113490, 1940654, 2226980, 3881308, 4851635, 6792289, 9703270, 13584578, 19406540, 27169156, 33961445, 67922890, 135845780]

約数ペア:

[(1, 135845780), (2, 67922890), (4, 33961445), (5, 27169156), (7, 19406540), (10, 13584578), (14, 9703270), (20, 6792289), (28, 4851635), (35, 3881308), (61, 2226980), (70, 1940654), (122, 1113490), (140, 970327), (244, 556745), (305, 445396), (427, 318140), (610, 222698), (854, 159070), (1220, 111349), (1708, 79535), (2135, 63628), (4270, 31814), (8540, 15907)]