68957800

素因数分解:

$2^3\times 5^2\times {\mathrm{173}}^1\times {\mathrm{1993}}^1$

素因数の和:2182

約数の個数: 48

約数和(自身を含む): 161334540

約数和(自身を除く): 92376740

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 173, 200, 346, 692, 865, 1384, 1730, 1993, 3460, 3986, 4325, 6920, 7972, 8650, 9965, 15944, 17300, 19930, 34600, 39860, 49825, 79720, 99650, 199300, 344789, 398600, 689578, 1379156, 1723945, 2758312, 3447890, 6895780, 8619725, 13791560, 17239450, 34478900, 68957800]

約数ペア:

[(1, 68957800), (2, 34478900), (4, 17239450), (5, 13791560), (8, 8619725), (10, 6895780), (20, 3447890), (25, 2758312), (40, 1723945), (50, 1379156), (100, 689578), (173, 398600), (200, 344789), (346, 199300), (692, 99650), (865, 79720), (1384, 49825), (1730, 39860), (1993, 34600), (3460, 19930), (3986, 17300), (4325, 15944), (6920, 9965), (7972, 8650)]