55887440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:349

約数の個数: 120

約数和(自身を含む): 154577160

約数和(自身を除く): 98689720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 53, 56, 70, 80, 98, 106, 112, 140, 196, 212, 245, 265, 269, 280, 371, 392, 424, 490, 530, 538, 560, 742, 784, 848, 980, 1060, 1076, 1345, 1484, 1855, 1883, 1960, 2120, 2152, 2597, 2690, 2968, 3710, 3766, 3920, 4240, 4304, 5194, 5380, 5936, 7420, 7532, 9415, 10388, 10760, 12985, 13181, 14257, 14840, 15064, 18830, 20776, 21520, 25970, 26362, 28514, 29680, 30128, 37660, 41552, 51940, 52724, 57028, 65905, 71285, 75320, 99799, 103880, 105448, 114056, 131810, 142570, 150640, 199598, 207760, 210896, 228112, 263620, 285140, 399196, 498995, 527240, 570280, 698593, 798392, 997990, 1054480, 1140560, 1397186, 1596784, 1995980, 2794372, 3492965, 3991960, 5588744, 6985930, 7983920, 11177488, 13971860, 27943720, 55887440]

約数ペア:

[(1, 55887440), (2, 27943720), (4, 13971860), (5, 11177488), (7, 7983920), (8, 6985930), (10, 5588744), (14, 3991960), (16, 3492965), (20, 2794372), (28, 1995980), (35, 1596784), (40, 1397186), (49, 1140560), (53, 1054480), (56, 997990), (70, 798392), (80, 698593), (98, 570280), (106, 527240), (112, 498995), (140, 399196), (196, 285140), (212, 263620), (245, 228112), (265, 210896), (269, 207760), (280, 199598), (371, 150640), (392, 142570), (424, 131810), (490, 114056), (530, 105448), (538, 103880), (560, 99799), (742, 75320), (784, 71285), (848, 65905), (980, 57028), (1060, 52724), (1076, 51940), (1345, 41552), (1484, 37660), (1855, 30128), (1883, 29680), (1960, 28514), (2120, 26362), (2152, 25970), (2597, 21520), (2690, 20776), (2968, 18830), (3710, 15064), (3766, 14840), (3920, 14257), (4240, 13181), (4304, 12985), (5194, 10760), (5380, 10388), (5936, 9415), (7420, 7532)]