56007980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{853}}^1$

素因数の和:943

約数の個数: 72

約数和(自身を含む): 139024368

約数和(自身を除く): 83016388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 67, 70, 98, 134, 140, 196, 245, 268, 335, 469, 490, 670, 853, 938, 980, 1340, 1706, 1876, 2345, 3283, 3412, 4265, 4690, 5971, 6566, 8530, 9380, 11942, 13132, 16415, 17060, 23884, 29855, 32830, 41797, 57151, 59710, 65660, 83594, 114302, 119420, 167188, 208985, 228604, 285755, 400057, 417970, 571510, 800114, 835940, 1143020, 1600228, 2000285, 2800399, 4000570, 5600798, 8001140, 11201596, 14001995, 28003990, 56007980]

約数ペア:

[(1, 56007980), (2, 28003990), (4, 14001995), (5, 11201596), (7, 8001140), (10, 5600798), (14, 4000570), (20, 2800399), (28, 2000285), (35, 1600228), (49, 1143020), (67, 835940), (70, 800114), (98, 571510), (134, 417970), (140, 400057), (196, 285755), (245, 228604), (268, 208985), (335, 167188), (469, 119420), (490, 114302), (670, 83594), (853, 65660), (938, 59710), (980, 57151), (1340, 41797), (1706, 32830), (1876, 29855), (2345, 23884), (3283, 17060), (3412, 16415), (4265, 13132), (4690, 11942), (5971, 9380), (6566, 8530)]