905192480

素因数分解:

$2^5\times 5^1\times {\mathrm{283}}^1\times {\mathrm{19991}}^1$

素因数の和:20289

約数の個数: 48

約数和(自身を含む): 2146181184

約数和(自身を除く): 1240988704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 283, 566, 1132, 1415, 2264, 2830, 4528, 5660, 9056, 11320, 19991, 22640, 39982, 45280, 79964, 99955, 159928, 199910, 319856, 399820, 639712, 799640, 1599280, 3198560, 5657453, 11314906, 22629812, 28287265, 45259624, 56574530, 90519248, 113149060, 181038496, 226298120, 452596240, 905192480]

約数ペア:

[(1, 905192480), (2, 452596240), (4, 226298120), (5, 181038496), (8, 113149060), (10, 90519248), (16, 56574530), (20, 45259624), (32, 28287265), (40, 22629812), (80, 11314906), (160, 5657453), (283, 3198560), (566, 1599280), (1132, 799640), (1415, 639712), (2264, 399820), (2830, 319856), (4528, 199910), (5660, 159928), (9056, 99955), (11320, 79964), (19991, 45280), (22640, 39982)]