217468940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{7817}}^1$

素因数の和:7946

約数の個数: 48

約数和(自身を含む): 496474272

約数和(自身を除く): 279005332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 214, 260, 428, 535, 1070, 1391, 2140, 2782, 5564, 6955, 7817, 13910, 15634, 27820, 31268, 39085, 78170, 101621, 156340, 203242, 406484, 508105, 836419, 1016210, 1672838, 2032420, 3345676, 4182095, 8364190, 10873447, 16728380, 21746894, 43493788, 54367235, 108734470, 217468940]

約数ペア:

[(1, 217468940), (2, 108734470), (4, 54367235), (5, 43493788), (10, 21746894), (13, 16728380), (20, 10873447), (26, 8364190), (52, 4182095), (65, 3345676), (107, 2032420), (130, 1672838), (214, 1016210), (260, 836419), (428, 508105), (535, 406484), (1070, 203242), (1391, 156340), (2140, 101621), (2782, 78170), (5564, 39085), (6955, 31268), (7817, 27820), (13910, 15634)]