194173880

素因数分解:

$2^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{7919}}^1$

素因数の和:8543

約数の個数: 32

約数和(自身を含む): 437659200

約数和(自身を除く): 243485320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 613, 1226, 2452, 3065, 4904, 6130, 7919, 12260, 15838, 24520, 31676, 39595, 63352, 79190, 158380, 316760, 4854347, 9708694, 19417388, 24271735, 38834776, 48543470, 97086940, 194173880]

約数ペア:

[(1, 194173880), (2, 97086940), (4, 48543470), (5, 38834776), (8, 24271735), (10, 19417388), (20, 9708694), (40, 4854347), (613, 316760), (1226, 158380), (2452, 79190), (3065, 63352), (4904, 39595), (6130, 31676), (7919, 24520), (12260, 15838)]