642676370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{769}}^1\times {\mathrm{11939}}^1$

素因数の和:12722

約数の個数: 32

約数和(自身を含む): 1323907200

約数和(自身を除く): 681230830

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 769, 1538, 3845, 5383, 7690, 10766, 11939, 23878, 26915, 53830, 59695, 83573, 119390, 167146, 417865, 835730, 9181091, 18362182, 45905455, 64267637, 91810910, 128535274, 321338185, 642676370]

約数ペア:

[(1, 642676370), (2, 321338185), (5, 128535274), (7, 91810910), (10, 64267637), (14, 45905455), (35, 18362182), (70, 9181091), (769, 835730), (1538, 417865), (3845, 167146), (5383, 119390), (7690, 83573), (10766, 59695), (11939, 53830), (23878, 26915)]