331357880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1039}}^1$

素因数の和:1141

約数の個数: 128

約数和(自身を含む): 916531200

約数和(自身を除く): 585173320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 67, 68, 70, 85, 119, 134, 136, 140, 170, 238, 268, 280, 335, 340, 469, 476, 536, 595, 670, 680, 938, 952, 1039, 1139, 1190, 1340, 1876, 2078, 2278, 2345, 2380, 2680, 3752, 4156, 4556, 4690, 4760, 5195, 5695, 7273, 7973, 8312, 9112, 9380, 10390, 11390, 14546, 15946, 17663, 18760, 20780, 22780, 29092, 31892, 35326, 36365, 39865, 41560, 45560, 58184, 63784, 69613, 70652, 72730, 79730, 88315, 123641, 139226, 141304, 145460, 159460, 176630, 247282, 278452, 290920, 318920, 348065, 353260, 487291, 494564, 556904, 618205, 696130, 706520, 974582, 989128, 1183421, 1236410, 1392260, 1949164, 2366842, 2436455, 2472820, 2784520, 3898328, 4733684, 4872910, 4945640, 5917105, 8283947, 9467368, 9745820, 11834210, 16567894, 19491640, 23668420, 33135788, 41419735, 47336840, 66271576, 82839470, 165678940, 331357880]

約数ペア:

[(1, 331357880), (2, 165678940), (4, 82839470), (5, 66271576), (7, 47336840), (8, 41419735), (10, 33135788), (14, 23668420), (17, 19491640), (20, 16567894), (28, 11834210), (34, 9745820), (35, 9467368), (40, 8283947), (56, 5917105), (67, 4945640), (68, 4872910), (70, 4733684), (85, 3898328), (119, 2784520), (134, 2472820), (136, 2436455), (140, 2366842), (170, 1949164), (238, 1392260), (268, 1236410), (280, 1183421), (335, 989128), (340, 974582), (469, 706520), (476, 696130), (536, 618205), (595, 556904), (670, 494564), (680, 487291), (938, 353260), (952, 348065), (1039, 318920), (1139, 290920), (1190, 278452), (1340, 247282), (1876, 176630), (2078, 159460), (2278, 145460), (2345, 141304), (2380, 139226), (2680, 123641), (3752, 88315), (4156, 79730), (4556, 72730), (4690, 70652), (4760, 69613), (5195, 63784), (5695, 58184), (7273, 45560), (7973, 41560), (8312, 39865), (9112, 36365), (9380, 35326), (10390, 31892), (11390, 29092), (14546, 22780), (15946, 20780), (17663, 18760)]