400980104

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{1913}}^1$

素因数の和:2142

約数の個数: 64

約数和(自身を含む): 909532800

約数和(自身を除く): 508552696

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 197, 266, 394, 532, 788, 1064, 1379, 1576, 1913, 2758, 3743, 3826, 5516, 7486, 7652, 11032, 13391, 14972, 15304, 26201, 26782, 29944, 36347, 52402, 53564, 72694, 104804, 107128, 145388, 209608, 254429, 290776, 376861, 508858, 753722, 1017716, 1507444, 2035432, 2638027, 3014888, 5276054, 7160359, 10552108, 14320718, 21104216, 28641436, 50122513, 57282872, 100245026, 200490052, 400980104]

約数ペア:

[(1, 400980104), (2, 200490052), (4, 100245026), (7, 57282872), (8, 50122513), (14, 28641436), (19, 21104216), (28, 14320718), (38, 10552108), (56, 7160359), (76, 5276054), (133, 3014888), (152, 2638027), (197, 2035432), (266, 1507444), (394, 1017716), (532, 753722), (788, 508858), (1064, 376861), (1379, 290776), (1576, 254429), (1913, 209608), (2758, 145388), (3743, 107128), (3826, 104804), (5516, 72694), (7486, 53564), (7652, 52402), (11032, 36347), (13391, 29944), (14972, 26782), (15304, 26201)]