520055480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:657

約数の個数: 128

約数和(自身を含む): 1388016000

約数和(自身を除く): 867960520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 89, 140, 164, 178, 205, 280, 287, 328, 356, 410, 445, 509, 574, 623, 712, 820, 890, 1018, 1148, 1246, 1435, 1640, 1780, 2036, 2296, 2492, 2545, 2870, 3115, 3560, 3563, 3649, 4072, 4984, 5090, 5740, 6230, 7126, 7298, 10180, 11480, 12460, 14252, 14596, 17815, 18245, 20360, 20869, 24920, 25543, 28504, 29192, 35630, 36490, 41738, 45301, 51086, 71260, 72980, 83476, 90602, 102172, 104345, 127715, 142520, 145960, 146083, 166952, 181204, 204344, 208690, 226505, 255430, 292166, 317107, 362408, 417380, 453010, 510860, 584332, 634214, 730415, 834760, 906020, 1021720, 1168664, 1268428, 1460830, 1585535, 1812040, 1857341, 2536856, 2921660, 3171070, 3714682, 5843320, 6342140, 7429364, 9286705, 12684280, 13001387, 14858728, 18573410, 26002774, 37146820, 52005548, 65006935, 74293640, 104011096, 130013870, 260027740, 520055480]

約数ペア:

[(1, 520055480), (2, 260027740), (4, 130013870), (5, 104011096), (7, 74293640), (8, 65006935), (10, 52005548), (14, 37146820), (20, 26002774), (28, 18573410), (35, 14858728), (40, 13001387), (41, 12684280), (56, 9286705), (70, 7429364), (82, 6342140), (89, 5843320), (140, 3714682), (164, 3171070), (178, 2921660), (205, 2536856), (280, 1857341), (287, 1812040), (328, 1585535), (356, 1460830), (410, 1268428), (445, 1168664), (509, 1021720), (574, 906020), (623, 834760), (712, 730415), (820, 634214), (890, 584332), (1018, 510860), (1148, 453010), (1246, 417380), (1435, 362408), (1640, 317107), (1780, 292166), (2036, 255430), (2296, 226505), (2492, 208690), (2545, 204344), (2870, 181204), (3115, 166952), (3560, 146083), (3563, 145960), (3649, 142520), (4072, 127715), (4984, 104345), (5090, 102172), (5740, 90602), (6230, 83476), (7126, 72980), (7298, 71260), (10180, 51086), (11480, 45301), (12460, 41738), (14252, 36490), (14596, 35630), (17815, 29192), (18245, 28504), (20360, 25543), (20869, 24920)]