7280380

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1163}}^1$

素因数の和:1485

約数の個数: 24

約数和(自身を含む): 15350832

約数和(自身を除く): 8070452

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1163, 1252, 1565, 2326, 3130, 4652, 5815, 6260, 11630, 23260, 364019, 728038, 1456076, 1820095, 3640190, 7280380]

約数ペア:

[(1, 7280380), (2, 3640190), (4, 1820095), (5, 1456076), (10, 728038), (20, 364019), (313, 23260), (626, 11630), (1163, 6260), (1252, 5815), (1565, 4652), (2326, 3130)]