298492040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{487}}^1$

素因数の和:715

約数の個数: 128

約数和(自身を含む): 843264000

約数和(自身を除く): 544771960

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 199, 220, 280, 308, 385, 398, 440, 487, 616, 770, 796, 974, 995, 1393, 1540, 1592, 1948, 1990, 2189, 2435, 2786, 3080, 3409, 3896, 3980, 4378, 4870, 5357, 5572, 6818, 6965, 7960, 8756, 9740, 10714, 10945, 11144, 13636, 13930, 15323, 17045, 17512, 19480, 21428, 21890, 26785, 27272, 27860, 30646, 34090, 37499, 42856, 43780, 53570, 55720, 61292, 68180, 74998, 76615, 87560, 96913, 107140, 122584, 136360, 149996, 153230, 187495, 193826, 214280, 299992, 306460, 374990, 387652, 484565, 612920, 678391, 749980, 775304, 969130, 1066043, 1356782, 1499960, 1938260, 2132086, 2713564, 3391955, 3876520, 4264172, 5330215, 5427128, 6783910, 7462301, 8528344, 10660430, 13567820, 14924602, 21320860, 27135640, 29849204, 37311505, 42641720, 59698408, 74623010, 149246020, 298492040]

約数ペア:

[(1, 298492040), (2, 149246020), (4, 74623010), (5, 59698408), (7, 42641720), (8, 37311505), (10, 29849204), (11, 27135640), (14, 21320860), (20, 14924602), (22, 13567820), (28, 10660430), (35, 8528344), (40, 7462301), (44, 6783910), (55, 5427128), (56, 5330215), (70, 4264172), (77, 3876520), (88, 3391955), (110, 2713564), (140, 2132086), (154, 1938260), (199, 1499960), (220, 1356782), (280, 1066043), (308, 969130), (385, 775304), (398, 749980), (440, 678391), (487, 612920), (616, 484565), (770, 387652), (796, 374990), (974, 306460), (995, 299992), (1393, 214280), (1540, 193826), (1592, 187495), (1948, 153230), (1990, 149996), (2189, 136360), (2435, 122584), (2786, 107140), (3080, 96913), (3409, 87560), (3896, 76615), (3980, 74998), (4378, 68180), (4870, 61292), (5357, 55720), (5572, 53570), (6818, 43780), (6965, 42856), (7960, 37499), (8756, 34090), (9740, 30646), (10714, 27860), (10945, 27272), (11144, 26785), (13636, 21890), (13930, 21428), (15323, 19480), (17045, 17512)]