420224105

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{5081}}^1$

素因数の和:5249

約数の個数: 32

約数和(自身を含む): 614718720

約数和(自身を除く): 194494615

約数列:

[1, 5, 7, 17, 35, 85, 119, 139, 595, 695, 973, 2363, 4865, 5081, 11815, 16541, 25405, 35567, 82705, 86377, 177835, 431885, 604639, 706259, 3023195, 3531295, 4943813, 12006403, 24719065, 60032015, 84044821, 420224105]

約数ペア:

[(1, 420224105), (5, 84044821), (7, 60032015), (17, 24719065), (35, 12006403), (85, 4943813), (119, 3531295), (139, 3023195), (595, 706259), (695, 604639), (973, 431885), (2363, 177835), (4865, 86377), (5081, 82705), (11815, 35567), (16541, 25405)]