207699680

素因数分解:

$2^5\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2957}}^1$

素因数の和:3411

約数の個数: 48

約数和(自身を含む): 491974560

約数和(自身を除く): 284274880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 439, 878, 1756, 2195, 2957, 3512, 4390, 5914, 7024, 8780, 11828, 14048, 14785, 17560, 23656, 29570, 35120, 47312, 59140, 70240, 94624, 118280, 236560, 473120, 1298123, 2596246, 5192492, 6490615, 10384984, 12981230, 20769968, 25962460, 41539936, 51924920, 103849840, 207699680]

約数ペア:

[(1, 207699680), (2, 103849840), (4, 51924920), (5, 41539936), (8, 25962460), (10, 20769968), (16, 12981230), (20, 10384984), (32, 6490615), (40, 5192492), (80, 2596246), (160, 1298123), (439, 473120), (878, 236560), (1756, 118280), (2195, 94624), (2957, 70240), (3512, 59140), (4390, 47312), (5914, 35120), (7024, 29570), (8780, 23656), (11828, 17560), (14048, 14785)]