199919690

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1\times {\mathrm{1723}}^1$

素因数の和:2054

約数の個数: 32

約数和(自身を含む): 370149696

約数和(自身を除く): 170230006

約数列:

[1, 2, 5, 10, 41, 82, 205, 283, 410, 566, 1415, 1723, 2830, 3446, 8615, 11603, 17230, 23206, 58015, 70643, 116030, 141286, 353215, 487609, 706430, 975218, 2438045, 4876090, 19991969, 39983938, 99959845, 199919690]

約数ペア:

[(1, 199919690), (2, 99959845), (5, 39983938), (10, 19991969), (41, 4876090), (82, 2438045), (205, 975218), (283, 706430), (410, 487609), (566, 353215), (1415, 141286), (1723, 116030), (2830, 70643), (3446, 58015), (8615, 23206), (11603, 17230)]