13643560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{6961}}^1$

素因数の和:6986

約数の個数: 48

約数和(自身を含む): 35715060

約数和(自身を除く): 22071500

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, 6961, 13922, 27844, 34805, 48727, 55688, 69610, 97454, 139220, 194908, 243635, 278440, 341089, 389816, 487270, 682178, 974540, 1364356, 1705445, 1949080, 2728712, 3410890, 6821780, 13643560]

約数ペア:

[(1, 13643560), (2, 6821780), (4, 3410890), (5, 2728712), (7, 1949080), (8, 1705445), (10, 1364356), (14, 974540), (20, 682178), (28, 487270), (35, 389816), (40, 341089), (49, 278440), (56, 243635), (70, 194908), (98, 139220), (140, 97454), (196, 69610), (245, 55688), (280, 48727), (392, 34805), (490, 27844), (980, 13922), (1960, 6961)]