784836620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{5483}}^1$

素因数の和:5930

約数の個数: 48

約数和(自身を含む): 1749571488

約数和(自身を除く): 964734868

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 421, 842, 1684, 2105, 4210, 5483, 7157, 8420, 10966, 14314, 21932, 27415, 28628, 35785, 54830, 71570, 93211, 109660, 143140, 186422, 372844, 466055, 932110, 1864220, 2308343, 4616686, 9233372, 11541715, 23083430, 39241831, 46166860, 78483662, 156967324, 196209155, 392418310, 784836620]

約数ペア:

[(1, 784836620), (2, 392418310), (4, 196209155), (5, 156967324), (10, 78483662), (17, 46166860), (20, 39241831), (34, 23083430), (68, 11541715), (85, 9233372), (170, 4616686), (340, 2308343), (421, 1864220), (842, 932110), (1684, 466055), (2105, 372844), (4210, 186422), (5483, 143140), (7157, 109660), (8420, 93211), (10966, 71570), (14314, 54830), (21932, 35785), (27415, 28628)]