391500320

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1447}}^1$

素因数の和:1570

約数の個数: 96

約数和(自身を含む): 985219200

約数和(自身を除く): 593718880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 89, 95, 152, 160, 178, 190, 304, 356, 380, 445, 608, 712, 760, 890, 1424, 1447, 1520, 1691, 1780, 2848, 2894, 3040, 3382, 3560, 5788, 6764, 7120, 7235, 8455, 11576, 13528, 14240, 14470, 16910, 23152, 27056, 27493, 28940, 33820, 46304, 54112, 54986, 57880, 67640, 109972, 115760, 128783, 135280, 137465, 219944, 231520, 257566, 270560, 274930, 439888, 515132, 549860, 643915, 879776, 1030264, 1099720, 1287830, 2060528, 2199440, 2446877, 2575660, 4121056, 4398880, 4893754, 5151320, 9787508, 10302640, 12234385, 19575016, 20605280, 24468770, 39150032, 48937540, 78300064, 97875080, 195750160, 391500320]

約数ペア:

[(1, 391500320), (2, 195750160), (4, 97875080), (5, 78300064), (8, 48937540), (10, 39150032), (16, 24468770), (19, 20605280), (20, 19575016), (32, 12234385), (38, 10302640), (40, 9787508), (76, 5151320), (80, 4893754), (89, 4398880), (95, 4121056), (152, 2575660), (160, 2446877), (178, 2199440), (190, 2060528), (304, 1287830), (356, 1099720), (380, 1030264), (445, 879776), (608, 643915), (712, 549860), (760, 515132), (890, 439888), (1424, 274930), (1447, 270560), (1520, 257566), (1691, 231520), (1780, 219944), (2848, 137465), (2894, 135280), (3040, 128783), (3382, 115760), (3560, 109972), (5788, 67640), (6764, 57880), (7120, 54986), (7235, 54112), (8455, 46304), (11576, 33820), (13528, 28940), (14240, 27493), (14470, 27056), (16910, 23152)]