198423540

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{7499}}^1$

素因数の和:7531

約数の個数: 144

約数和(自身を含む): 718200000

約数和(自身を除く): 519776460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2646, 2940, 3780, 4410, 5292, 6615, 7499, 8820, 13230, 14998, 22497, 26460, 29996, 37495, 44994, 52493, 67491, 74990, 89988, 104986, 112485, 134982, 149980, 157479, 202473, 209972, 224970, 262465, 269964, 314958, 337455, 367451, 404946, 449940, 472437, 524930, 629916, 674910, 734902, 787395, 809892, 944874, 1012365, 1049860, 1102353, 1349820, 1417311, 1469804, 1574790, 1837255, 1889748, 2024730, 2204706, 2362185, 2834622, 3149580, 3307059, 3674510, 4049460, 4409412, 4724370, 5511765, 5669244, 6614118, 7086555, 7349020, 9448740, 9921177, 11023530, 13228236, 14173110, 16535295, 19842354, 22047060, 28346220, 33070590, 39684708, 49605885, 66141180, 99211770, 198423540]

約数ペア:

[(1, 198423540), (2, 99211770), (3, 66141180), (4, 49605885), (5, 39684708), (6, 33070590), (7, 28346220), (9, 22047060), (10, 19842354), (12, 16535295), (14, 14173110), (15, 13228236), (18, 11023530), (20, 9921177), (21, 9448740), (27, 7349020), (28, 7086555), (30, 6614118), (35, 5669244), (36, 5511765), (42, 4724370), (45, 4409412), (49, 4049460), (54, 3674510), (60, 3307059), (63, 3149580), (70, 2834622), (84, 2362185), (90, 2204706), (98, 2024730), (105, 1889748), (108, 1837255), (126, 1574790), (135, 1469804), (140, 1417311), (147, 1349820), (180, 1102353), (189, 1049860), (196, 1012365), (210, 944874), (245, 809892), (252, 787395), (270, 734902), (294, 674910), (315, 629916), (378, 524930), (420, 472437), (441, 449940), (490, 404946), (540, 367451), (588, 337455), (630, 314958), (735, 269964), (756, 262465), (882, 224970), (945, 209972), (980, 202473), (1260, 157479), (1323, 149980), (1470, 134982), (1764, 112485), (1890, 104986), (2205, 89988), (2646, 74990), (2940, 67491), (3780, 52493), (4410, 44994), (5292, 37495), (6615, 29996), (7499, 26460), (8820, 22497), (13230, 14998)]