203497820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1\times {\mathrm{1229}}^1$

素因数の和:1742

約数の個数: 48

約数和(自身を含む): 453781440

約数和(自身を除く): 250283620

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 487, 974, 1229, 1948, 2435, 2458, 4870, 4916, 6145, 8279, 9740, 12290, 16558, 20893, 24580, 33116, 41395, 41786, 82790, 83572, 104465, 165580, 208930, 417860, 598523, 1197046, 2394092, 2992615, 5985230, 10174891, 11970460, 20349782, 40699564, 50874455, 101748910, 203497820]

約数ペア:

[(1, 203497820), (2, 101748910), (4, 50874455), (5, 40699564), (10, 20349782), (17, 11970460), (20, 10174891), (34, 5985230), (68, 2992615), (85, 2394092), (170, 1197046), (340, 598523), (487, 417860), (974, 208930), (1229, 165580), (1948, 104465), (2435, 83572), (2458, 82790), (4870, 41786), (4916, 41395), (6145, 33116), (8279, 24580), (9740, 20893), (12290, 16558)]