440664

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:120

約数の個数: 64

約数和(自身を含む): 1309440

約数和(自身を除く): 868776

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 61, 84, 86, 122, 129, 168, 172, 183, 244, 258, 301, 344, 366, 427, 488, 516, 602, 732, 854, 903, 1032, 1204, 1281, 1464, 1708, 1806, 2408, 2562, 2623, 3416, 3612, 5124, 5246, 7224, 7869, 10248, 10492, 15738, 18361, 20984, 31476, 36722, 55083, 62952, 73444, 110166, 146888, 220332, 440664]

約数ペア:

[(1, 440664), (2, 220332), (3, 146888), (4, 110166), (6, 73444), (7, 62952), (8, 55083), (12, 36722), (14, 31476), (21, 20984), (24, 18361), (28, 15738), (42, 10492), (43, 10248), (56, 7869), (61, 7224), (84, 5246), (86, 5124), (122, 3612), (129, 3416), (168, 2623), (172, 2562), (183, 2408), (244, 1806), (258, 1708), (301, 1464), (344, 1281), (366, 1204), (427, 1032), (488, 903), (516, 854), (602, 732)]