13620040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{6949}}^1$

素因数の和:6974

約数の個数: 48

約数和(自身を含む): 35653500

約数和(自身を除く): 22033460

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 6949, 13898, 27796, 34745, 48643, 55592, 69490, 97286, 138980, 194572, 243215, 277960, 340501, 389144, 486430, 681002, 972860, 1362004, 1702505, 1945720, 2724008, 3405010, 6810020, 13620040]

約数ペア:

[(1, 13620040), (2, 6810020), (4, 3405010), (5, 2724008), (7, 1945720), (8, 1702505), (10, 1362004), (14, 972860), (20, 681002), (28, 486430), (35, 389144), (40, 340501), (49, 277960), (56, 243215), (70, 194572), (98, 138980), (140, 97286), (196, 69490), (245, 55592), (280, 48643), (392, 34745), (490, 27796), (980, 13898), (1960, 6949)]