68431720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{244399}}^1$

素因数の和:244417

約数の個数: 32

約数和(自身を含む): 175968000

約数和(自身を除く): 107536280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 244399, 488798, 977596, 1221995, 1710793, 1955192, 2443990, 3421586, 4887980, 6843172, 8553965, 9775960, 13686344, 17107930, 34215860, 68431720]

約数ペア:

[(1, 68431720), (2, 34215860), (4, 17107930), (5, 13686344), (7, 9775960), (8, 8553965), (10, 6843172), (14, 4887980), (20, 3421586), (28, 2443990), (35, 1955192), (40, 1710793), (56, 1221995), (70, 977596), (140, 488798), (280, 244399)]