42554120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{401}}^1$

素因数の和:798

約数の個数: 64

約数和(自身を含む): 109987200

約数和(自身を除く): 67433080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 379, 401, 758, 802, 1516, 1604, 1895, 2005, 2653, 2807, 3032, 3208, 3790, 4010, 5306, 5614, 7580, 8020, 10612, 11228, 13265, 14035, 15160, 16040, 21224, 22456, 26530, 28070, 53060, 56140, 106120, 112280, 151979, 303958, 607916, 759895, 1063853, 1215832, 1519790, 2127706, 3039580, 4255412, 5319265, 6079160, 8510824, 10638530, 21277060, 42554120]

約数ペア:

[(1, 42554120), (2, 21277060), (4, 10638530), (5, 8510824), (7, 6079160), (8, 5319265), (10, 4255412), (14, 3039580), (20, 2127706), (28, 1519790), (35, 1215832), (40, 1063853), (56, 759895), (70, 607916), (140, 303958), (280, 151979), (379, 112280), (401, 106120), (758, 56140), (802, 53060), (1516, 28070), (1604, 26530), (1895, 22456), (2005, 21224), (2653, 16040), (2807, 15160), (3032, 14035), (3208, 13265), (3790, 11228), (4010, 10612), (5306, 8020), (5614, 7580)]