30925895

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 51480576

約数和(自身を除く): 20554681

約数列:

[1, 5, 7, 11, 13, 35, 37, 55, 65, 77, 91, 143, 167, 185, 259, 385, 407, 455, 481, 715, 835, 1001, 1169, 1295, 1837, 2035, 2171, 2405, 2849, 3367, 5005, 5291, 5845, 6179, 9185, 10855, 12859, 14245, 15197, 16835, 23881, 26455, 30895, 37037, 43253, 64295, 67969, 75985, 80327, 119405, 167167, 185185, 216265, 339845, 401635, 475783, 562289, 835835, 883597, 2378915, 2811445, 4417985, 6185179, 30925895]

約数ペア:

[(1, 30925895), (5, 6185179), (7, 4417985), (11, 2811445), (13, 2378915), (35, 883597), (37, 835835), (55, 562289), (65, 475783), (77, 401635), (91, 339845), (143, 216265), (167, 185185), (185, 167167), (259, 119405), (385, 80327), (407, 75985), (455, 67969), (481, 64295), (715, 43253), (835, 37037), (1001, 30895), (1169, 26455), (1295, 23881), (1837, 16835), (2035, 15197), (2171, 14245), (2405, 12859), (2849, 10855), (3367, 9185), (5005, 6179), (5291, 5845)]