1395980

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{313}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 2954112

約数和(自身を除く): 1558132

約数列:

[1, 2, 4, 5, 10, 20, 223, 313, 446, 626, 892, 1115, 1252, 1565, 2230, 3130, 4460, 6260, 69799, 139598, 279196, 348995, 697990, 1395980]

約数ペア:

[(1, 1395980), (2, 697990), (4, 348995), (5, 279196), (10, 139598), (20, 69799), (223, 6260), (313, 4460), (446, 3130), (626, 2230), (892, 1565), (1115, 1252)]