399750876

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4099}}^1$

素因数の和:4165

約数の個数: 120

約数和(自身を含む): 1222390400

約数和(自身を除く): 822639524

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 43, 54, 63, 81, 84, 86, 108, 126, 129, 162, 172, 189, 252, 258, 301, 324, 378, 387, 516, 567, 602, 756, 774, 903, 1134, 1161, 1204, 1548, 1806, 2268, 2322, 2709, 3483, 3612, 4099, 4644, 5418, 6966, 8127, 8198, 10836, 12297, 13932, 16254, 16396, 24381, 24594, 28693, 32508, 36891, 48762, 49188, 57386, 73782, 86079, 97524, 110673, 114772, 147564, 172158, 176257, 221346, 258237, 332019, 344316, 352514, 442692, 516474, 528771, 664038, 705028, 774711, 1032948, 1057542, 1233799, 1328076, 1549422, 1586313, 2115084, 2324133, 2467598, 3098844, 3172626, 3701397, 4648266, 4758939, 4935196, 6345252, 7402794, 9296532, 9517878, 11104191, 14276817, 14805588, 19035756, 22208382, 28553634, 33312573, 44416764, 57107268, 66625146, 99937719, 133250292, 199875438, 399750876]

約数ペア:

[(1, 399750876), (2, 199875438), (3, 133250292), (4, 99937719), (6, 66625146), (7, 57107268), (9, 44416764), (12, 33312573), (14, 28553634), (18, 22208382), (21, 19035756), (27, 14805588), (28, 14276817), (36, 11104191), (42, 9517878), (43, 9296532), (54, 7402794), (63, 6345252), (81, 4935196), (84, 4758939), (86, 4648266), (108, 3701397), (126, 3172626), (129, 3098844), (162, 2467598), (172, 2324133), (189, 2115084), (252, 1586313), (258, 1549422), (301, 1328076), (324, 1233799), (378, 1057542), (387, 1032948), (516, 774711), (567, 705028), (602, 664038), (756, 528771), (774, 516474), (903, 442692), (1134, 352514), (1161, 344316), (1204, 332019), (1548, 258237), (1806, 221346), (2268, 176257), (2322, 172158), (2709, 147564), (3483, 114772), (3612, 110673), (4099, 97524), (4644, 86079), (5418, 73782), (6966, 57386), (8127, 49188), (8198, 48762), (10836, 36891), (12297, 32508), (13932, 28693), (16254, 24594), (16396, 24381)]