7487420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 16849728

約数和(自身を除く): 9362308

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 397, 410, 460, 794, 820, 943, 1588, 1886, 1985, 3772, 3970, 4715, 7940, 9131, 9430, 16277, 18262, 18860, 32554, 36524, 45655, 65108, 81385, 91310, 162770, 182620, 325540, 374371, 748742, 1497484, 1871855, 3743710, 7487420]

約数ペア:

[(1, 7487420), (2, 3743710), (4, 1871855), (5, 1497484), (10, 748742), (20, 374371), (23, 325540), (41, 182620), (46, 162770), (82, 91310), (92, 81385), (115, 65108), (164, 45655), (205, 36524), (230, 32554), (397, 18860), (410, 18262), (460, 16277), (794, 9430), (820, 9131), (943, 7940), (1588, 4715), (1886, 3970), (1985, 3772)]