308992040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{157649}}^1$

素因数の和:157674

約数の個数: 48

約数和(自身を含む): 808744500

約数和(自身を除く): 499752460

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, 157649, 315298, 630596, 788245, 1103543, 1261192, 1576490, 2207086, 3152980, 4414172, 5517715, 6305960, 7724801, 8828344, 11035430, 15449602, 22070860, 30899204, 38624005, 44141720, 61798408, 77248010, 154496020, 308992040]

約数ペア:

[(1, 308992040), (2, 154496020), (4, 77248010), (5, 61798408), (7, 44141720), (8, 38624005), (10, 30899204), (14, 22070860), (20, 15449602), (28, 11035430), (35, 8828344), (40, 7724801), (49, 6305960), (56, 5517715), (70, 4414172), (98, 3152980), (140, 2207086), (196, 1576490), (245, 1261192), (280, 1103543), (392, 788245), (490, 630596), (980, 315298), (1960, 157649)]