311918140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{1373}}^1$

素因数の和:1726

約数の個数: 48

約数和(自身を含む): 675414432

約数和(自身を除く): 363496292

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 307, 370, 614, 740, 1228, 1373, 1535, 2746, 3070, 5492, 6140, 6865, 11359, 13730, 22718, 27460, 45436, 50801, 56795, 101602, 113590, 203204, 227180, 254005, 421511, 508010, 843022, 1016020, 1686044, 2107555, 4215110, 8430220, 15595907, 31191814, 62383628, 77979535, 155959070, 311918140]

約数ペア:

[(1, 311918140), (2, 155959070), (4, 77979535), (5, 62383628), (10, 31191814), (20, 15595907), (37, 8430220), (74, 4215110), (148, 2107555), (185, 1686044), (307, 1016020), (370, 843022), (614, 508010), (740, 421511), (1228, 254005), (1373, 227180), (1535, 203204), (2746, 113590), (3070, 101602), (5492, 56795), (6140, 50801), (6865, 45436), (11359, 27460), (13730, 22718)]