4067980

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{593}}^1$

素因数の和:623

約数の個数: 48

約数和(自身を含む): 9979200

約数和(自身を除く): 5911220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 593, 686, 980, 1186, 1372, 1715, 2372, 2965, 3430, 4151, 5930, 6860, 8302, 11860, 16604, 20755, 29057, 41510, 58114, 83020, 116228, 145285, 203399, 290570, 406798, 581140, 813596, 1016995, 2033990, 4067980]

約数ペア:

[(1, 4067980), (2, 2033990), (4, 1016995), (5, 813596), (7, 581140), (10, 406798), (14, 290570), (20, 203399), (28, 145285), (35, 116228), (49, 83020), (70, 58114), (98, 41510), (140, 29057), (196, 20755), (245, 16604), (343, 11860), (490, 8302), (593, 6860), (686, 5930), (980, 4151), (1186, 3430), (1372, 2965), (1715, 2372)]