390804008

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{383}}^1$

素因数の和:559

約数の個数: 96

約数和(自身を含む): 906163200

約数和(自身を除く): 515359192

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 49, 56, 76, 98, 133, 137, 152, 196, 266, 274, 383, 392, 532, 548, 766, 931, 959, 1064, 1096, 1532, 1862, 1918, 2603, 2681, 3064, 3724, 3836, 5206, 5362, 6713, 7277, 7448, 7672, 10412, 10724, 13426, 14554, 18221, 18767, 20824, 21448, 26852, 29108, 36442, 37534, 50939, 52471, 53704, 58216, 72884, 75068, 101878, 104942, 127547, 145768, 150136, 203756, 209884, 255094, 356573, 367297, 407512, 419768, 510188, 713146, 734594, 996949, 1020376, 1426292, 1469188, 1993898, 2571079, 2852584, 2938376, 3987796, 5142158, 6978643, 7975592, 10284316, 13957286, 20568632, 27914572, 48850501, 55829144, 97701002, 195402004, 390804008]

約数ペア:

[(1, 390804008), (2, 195402004), (4, 97701002), (7, 55829144), (8, 48850501), (14, 27914572), (19, 20568632), (28, 13957286), (38, 10284316), (49, 7975592), (56, 6978643), (76, 5142158), (98, 3987796), (133, 2938376), (137, 2852584), (152, 2571079), (196, 1993898), (266, 1469188), (274, 1426292), (383, 1020376), (392, 996949), (532, 734594), (548, 713146), (766, 510188), (931, 419768), (959, 407512), (1064, 367297), (1096, 356573), (1532, 255094), (1862, 209884), (1918, 203756), (2603, 150136), (2681, 145768), (3064, 127547), (3724, 104942), (3836, 101878), (5206, 75068), (5362, 72884), (6713, 58216), (7277, 53704), (7448, 52471), (7672, 50939), (10412, 37534), (10724, 36442), (13426, 29108), (14554, 26852), (18221, 21448), (18767, 20824)]