3997790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:476

約数の個数: 32

約数和(自身を含む): 7737120

約数和(自身を除く): 3739330

約数列:

[1, 2, 5, 10, 19, 38, 53, 95, 106, 190, 265, 397, 530, 794, 1007, 1985, 2014, 3970, 5035, 7543, 10070, 15086, 21041, 37715, 42082, 75430, 105205, 210410, 399779, 799558, 1998895, 3997790]

約数ペア:

[(1, 3997790), (2, 1998895), (5, 799558), (10, 399779), (19, 210410), (38, 105205), (53, 75430), (95, 42082), (106, 37715), (190, 21041), (265, 15086), (397, 10070), (530, 7543), (794, 5035), (1007, 3970), (1985, 2014)]