208049480

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^2\times {\mathrm{97}}^1$

素因数の和:223

約数の個数: 96

約数和(自身を含む): 500887800

約数和(自身を除く): 292838320

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 43, 58, 86, 97, 116, 145, 172, 194, 215, 232, 290, 344, 388, 430, 485, 580, 776, 860, 970, 1160, 1247, 1720, 1849, 1940, 2494, 2813, 3698, 3880, 4171, 4988, 5626, 6235, 7396, 8342, 9245, 9976, 11252, 12470, 14065, 14792, 16684, 18490, 20855, 22504, 24940, 28130, 33368, 36980, 41710, 49880, 53621, 56260, 73960, 83420, 107242, 112520, 120959, 166840, 179353, 214484, 241918, 268105, 358706, 428968, 483836, 536210, 604795, 717412, 896765, 967672, 1072420, 1209590, 1434824, 1793530, 2144840, 2419180, 3587060, 4838360, 5201237, 7174120, 10402474, 20804948, 26006185, 41609896, 52012370, 104024740, 208049480]

約数ペア:

[(1, 208049480), (2, 104024740), (4, 52012370), (5, 41609896), (8, 26006185), (10, 20804948), (20, 10402474), (29, 7174120), (40, 5201237), (43, 4838360), (58, 3587060), (86, 2419180), (97, 2144840), (116, 1793530), (145, 1434824), (172, 1209590), (194, 1072420), (215, 967672), (232, 896765), (290, 717412), (344, 604795), (388, 536210), (430, 483836), (485, 428968), (580, 358706), (776, 268105), (860, 241918), (970, 214484), (1160, 179353), (1247, 166840), (1720, 120959), (1849, 112520), (1940, 107242), (2494, 83420), (2813, 73960), (3698, 56260), (3880, 53621), (4171, 49880), (4988, 41710), (5626, 36980), (6235, 33368), (7396, 28130), (8342, 24940), (9245, 22504), (9976, 20855), (11252, 18490), (12470, 16684), (14065, 14792)]