405421856

素因数分解:

$2^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1$

素因数の和:634

約数の個数: 96

約数和(自身を含む): 952560000

約数和(自身を除く): 547138144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 112, 116, 139, 203, 224, 232, 278, 406, 449, 464, 556, 812, 898, 928, 973, 1112, 1624, 1796, 1946, 2224, 3143, 3248, 3592, 3892, 4031, 4448, 6286, 6496, 7184, 7784, 8062, 12572, 13021, 14368, 15568, 16124, 25144, 26042, 28217, 31136, 32248, 50288, 52084, 56434, 62411, 64496, 91147, 100576, 104168, 112868, 124822, 128992, 182294, 208336, 225736, 249644, 364588, 416672, 436877, 451472, 499288, 729176, 873754, 902944, 998576, 1458352, 1747508, 1809919, 1997152, 2916704, 3495016, 3619838, 6990032, 7239676, 12669433, 13980064, 14479352, 25338866, 28958704, 50677732, 57917408, 101355464, 202710928, 405421856]

約数ペア:

[(1, 405421856), (2, 202710928), (4, 101355464), (7, 57917408), (8, 50677732), (14, 28958704), (16, 25338866), (28, 14479352), (29, 13980064), (32, 12669433), (56, 7239676), (58, 6990032), (112, 3619838), (116, 3495016), (139, 2916704), (203, 1997152), (224, 1809919), (232, 1747508), (278, 1458352), (406, 998576), (449, 902944), (464, 873754), (556, 729176), (812, 499288), (898, 451472), (928, 436877), (973, 416672), (1112, 364588), (1624, 249644), (1796, 225736), (1946, 208336), (2224, 182294), (3143, 128992), (3248, 124822), (3592, 112868), (3892, 104168), (4031, 100576), (4448, 91147), (6286, 64496), (6496, 62411), (7184, 56434), (7784, 52084), (8062, 50288), (12572, 32248), (13021, 31136), (14368, 28217), (15568, 26042), (16124, 25144)]