68217800

素因数分解:

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

素因数の和:6991

約数の個数: 72

約数和(自身を含む): 184527810

約数和(自身を除く): 116310010

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2450, 4900, 6961, 9800, 13922, 27844, 34805, 48727, 55688, 69610, 97454, 139220, 174025, 194908, 243635, 278440, 341089, 348050, 389816, 487270, 682178, 696100, 974540, 1218175, 1364356, 1392200, 1705445, 1949080, 2436350, 2728712, 3410890, 4872700, 6821780, 8527225, 9745400, 13643560, 17054450, 34108900, 68217800]

約数ペア:

[(1, 68217800), (2, 34108900), (4, 17054450), (5, 13643560), (7, 9745400), (8, 8527225), (10, 6821780), (14, 4872700), (20, 3410890), (25, 2728712), (28, 2436350), (35, 1949080), (40, 1705445), (49, 1392200), (50, 1364356), (56, 1218175), (70, 974540), (98, 696100), (100, 682178), (140, 487270), (175, 389816), (196, 348050), (200, 341089), (245, 278440), (280, 243635), (350, 194908), (392, 174025), (490, 139220), (700, 97454), (980, 69610), (1225, 55688), (1400, 48727), (1960, 34805), (2450, 27844), (4900, 13922), (6961, 9800)]