238040320

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{857}}^1$

素因数の和:916

約数の個数: 144

約数和(自身を含む): 673440768

約数和(自身を除く): 435400448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 434, 448, 496, 560, 620, 640, 857, 868, 896, 992, 1085, 1120, 1240, 1280, 1714, 1736, 1792, 1984, 2170, 2240, 2480, 3428, 3472, 3968, 4285, 4340, 4480, 4960, 5999, 6856, 6944, 7936, 8570, 8680, 8960, 9920, 11998, 13712, 13888, 17140, 17360, 19840, 23996, 26567, 27424, 27776, 29995, 34280, 34720, 39680, 47992, 53134, 54848, 55552, 59990, 68560, 69440, 95984, 106268, 109696, 119980, 132835, 137120, 138880, 185969, 191968, 212536, 219392, 239960, 265670, 274240, 277760, 371938, 383936, 425072, 479920, 531340, 548480, 743876, 767872, 850144, 929845, 959840, 1062680, 1096960, 1487752, 1535744, 1700288, 1859690, 1919680, 2125360, 2975504, 3400576, 3719380, 3839360, 4250720, 5951008, 6801152, 7438760, 7678720, 8501440, 11902016, 14877520, 17002880, 23804032, 29755040, 34005760, 47608064, 59510080, 119020160, 238040320]

約数ペア:

[(1, 238040320), (2, 119020160), (4, 59510080), (5, 47608064), (7, 34005760), (8, 29755040), (10, 23804032), (14, 17002880), (16, 14877520), (20, 11902016), (28, 8501440), (31, 7678720), (32, 7438760), (35, 6801152), (40, 5951008), (56, 4250720), (62, 3839360), (64, 3719380), (70, 3400576), (80, 2975504), (112, 2125360), (124, 1919680), (128, 1859690), (140, 1700288), (155, 1535744), (160, 1487752), (217, 1096960), (224, 1062680), (248, 959840), (256, 929845), (280, 850144), (310, 767872), (320, 743876), (434, 548480), (448, 531340), (496, 479920), (560, 425072), (620, 383936), (640, 371938), (857, 277760), (868, 274240), (896, 265670), (992, 239960), (1085, 219392), (1120, 212536), (1240, 191968), (1280, 185969), (1714, 138880), (1736, 137120), (1792, 132835), (1984, 119980), (2170, 109696), (2240, 106268), (2480, 95984), (3428, 69440), (3472, 68560), (3968, 59990), (4285, 55552), (4340, 54848), (4480, 53134), (4960, 47992), (5999, 39680), (6856, 34720), (6944, 34280), (7936, 29995), (8570, 27776), (8680, 27424), (8960, 26567), (9920, 23996), (11998, 19840), (13712, 17360), (13888, 17140)]