189399040

素因数分解:

$2^{17}\times 5^1\times {\mathrm{17}}^2$

素因数の和:73

約数の個数: 108

約数和(自身を含む): 482867406

約数和(自身を除く): 293468366

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 289, 320, 340, 512, 544, 578, 640, 680, 1024, 1088, 1156, 1280, 1360, 1445, 2048, 2176, 2312, 2560, 2720, 2890, 4096, 4352, 4624, 5120, 5440, 5780, 8192, 8704, 9248, 10240, 10880, 11560, 16384, 17408, 18496, 20480, 21760, 23120, 32768, 34816, 36992, 40960, 43520, 46240, 65536, 69632, 73984, 81920, 87040, 92480, 131072, 139264, 147968, 163840, 174080, 184960, 278528, 295936, 327680, 348160, 369920, 557056, 591872, 655360, 696320, 739840, 1114112, 1183744, 1392640, 1479680, 2228224, 2367488, 2785280, 2959360, 4734976, 5570560, 5918720, 9469952, 11141120, 11837440, 18939904, 23674880, 37879808, 47349760, 94699520, 189399040]

約数ペア:

[(1, 189399040), (2, 94699520), (4, 47349760), (5, 37879808), (8, 23674880), (10, 18939904), (16, 11837440), (17, 11141120), (20, 9469952), (32, 5918720), (34, 5570560), (40, 4734976), (64, 2959360), (68, 2785280), (80, 2367488), (85, 2228224), (128, 1479680), (136, 1392640), (160, 1183744), (170, 1114112), (256, 739840), (272, 696320), (289, 655360), (320, 591872), (340, 557056), (512, 369920), (544, 348160), (578, 327680), (640, 295936), (680, 278528), (1024, 184960), (1088, 174080), (1156, 163840), (1280, 147968), (1360, 139264), (1445, 131072), (2048, 92480), (2176, 87040), (2312, 81920), (2560, 73984), (2720, 69632), (2890, 65536), (4096, 46240), (4352, 43520), (4624, 40960), (5120, 36992), (5440, 34816), (5780, 32768), (8192, 23120), (8704, 21760), (9248, 20480), (10240, 18496), (10880, 17408), (11560, 16384)]