77223020

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{11257}}^1$

素因数の和:11287

約数の個数: 48

約数和(自身を含む): 189134400

約数和(自身を除く): 111911380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 11257, 22514, 45028, 56285, 78799, 112570, 157598, 225140, 315196, 393995, 551593, 787990, 1103186, 1575980, 2206372, 2757965, 3861151, 5515930, 7722302, 11031860, 15444604, 19305755, 38611510, 77223020]

約数ペア:

[(1, 77223020), (2, 38611510), (4, 19305755), (5, 15444604), (7, 11031860), (10, 7722302), (14, 5515930), (20, 3861151), (28, 2757965), (35, 2206372), (49, 1575980), (70, 1103186), (98, 787990), (140, 551593), (196, 393995), (245, 315196), (343, 225140), (490, 157598), (686, 112570), (980, 78799), (1372, 56285), (1715, 45028), (3430, 22514), (6860, 11257)]