173818880

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1997}}^1$

素因数の和:2039

約数の個数: 88

約数和(自身を含む): 441709848

約数和(自身を除く): 267890968

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, 320, 340, 512, 544, 640, 680, 1024, 1088, 1280, 1360, 1997, 2176, 2560, 2720, 3994, 4352, 5120, 5440, 7988, 8704, 9985, 10880, 15976, 17408, 19970, 21760, 31952, 33949, 39940, 43520, 63904, 67898, 79880, 87040, 127808, 135796, 159760, 169745, 255616, 271592, 319520, 339490, 511232, 543184, 639040, 678980, 1022464, 1086368, 1278080, 1357960, 2044928, 2172736, 2556160, 2715920, 4345472, 5112320, 5431840, 8690944, 10224640, 10863680, 17381888, 21727360, 34763776, 43454720, 86909440, 173818880]

約数ペア:

[(1, 173818880), (2, 86909440), (4, 43454720), (5, 34763776), (8, 21727360), (10, 17381888), (16, 10863680), (17, 10224640), (20, 8690944), (32, 5431840), (34, 5112320), (40, 4345472), (64, 2715920), (68, 2556160), (80, 2172736), (85, 2044928), (128, 1357960), (136, 1278080), (160, 1086368), (170, 1022464), (256, 678980), (272, 639040), (320, 543184), (340, 511232), (512, 339490), (544, 319520), (640, 271592), (680, 255616), (1024, 169745), (1088, 159760), (1280, 135796), (1360, 127808), (1997, 87040), (2176, 79880), (2560, 67898), (2720, 63904), (3994, 43520), (4352, 39940), (5120, 33949), (5440, 31952), (7988, 21760), (8704, 19970), (9985, 17408), (10880, 15976)]