199041080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1069

約数の個数: 128

約数和(自身を含む): 551854080

約数和(自身を除く): 352813000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 31, 35, 40, 46, 56, 62, 70, 92, 115, 124, 140, 155, 161, 184, 217, 230, 248, 280, 310, 322, 434, 460, 620, 644, 713, 805, 868, 920, 997, 1085, 1240, 1288, 1426, 1610, 1736, 1994, 2170, 2852, 3220, 3565, 3988, 4340, 4985, 4991, 5704, 6440, 6979, 7130, 7976, 8680, 9970, 9982, 13958, 14260, 19940, 19964, 22931, 24955, 27916, 28520, 30907, 34895, 39880, 39928, 45862, 49910, 55832, 61814, 69790, 91724, 99820, 114655, 123628, 139580, 154535, 160517, 183448, 199640, 216349, 229310, 247256, 279160, 309070, 321034, 432698, 458620, 618140, 642068, 710861, 802585, 865396, 917240, 1081745, 1236280, 1284136, 1421722, 1605170, 1730792, 2163490, 2843444, 3210340, 3554305, 4326980, 4976027, 5686888, 6420680, 7108610, 8653960, 9952054, 14217220, 19904108, 24880135, 28434440, 39808216, 49760270, 99520540, 199041080]

約数ペア:

[(1, 199041080), (2, 99520540), (4, 49760270), (5, 39808216), (7, 28434440), (8, 24880135), (10, 19904108), (14, 14217220), (20, 9952054), (23, 8653960), (28, 7108610), (31, 6420680), (35, 5686888), (40, 4976027), (46, 4326980), (56, 3554305), (62, 3210340), (70, 2843444), (92, 2163490), (115, 1730792), (124, 1605170), (140, 1421722), (155, 1284136), (161, 1236280), (184, 1081745), (217, 917240), (230, 865396), (248, 802585), (280, 710861), (310, 642068), (322, 618140), (434, 458620), (460, 432698), (620, 321034), (644, 309070), (713, 279160), (805, 247256), (868, 229310), (920, 216349), (997, 199640), (1085, 183448), (1240, 160517), (1288, 154535), (1426, 139580), (1610, 123628), (1736, 114655), (1994, 99820), (2170, 91724), (2852, 69790), (3220, 61814), (3565, 55832), (3988, 49910), (4340, 45862), (4985, 39928), (4991, 39880), (5704, 34895), (6440, 30907), (6979, 28520), (7130, 27916), (7976, 24955), (8680, 22931), (9970, 19964), (9982, 19940), (13958, 14260)]