2004305975

素因数分解:

$5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1\times {\mathrm{523}}^1$

素因数の和:960

約数の個数: 48

約数和(自身を含む): 2900528640

約数和(自身を除く): 896222665

約数列:

[1, 5, 7, 25, 35, 61, 175, 305, 359, 427, 523, 1525, 1795, 2135, 2513, 2615, 3661, 8975, 10675, 12565, 13075, 18305, 21899, 31903, 62825, 91525, 109495, 153293, 159515, 187757, 223321, 547475, 766465, 797575, 938785, 1116605, 1314299, 3832325, 4693925, 5583025, 6571495, 11453177, 32857475, 57265885, 80172239, 286329425, 400861195, 2004305975]

約数ペア:

[(1, 2004305975), (5, 400861195), (7, 286329425), (25, 80172239), (35, 57265885), (61, 32857475), (175, 11453177), (305, 6571495), (359, 5583025), (427, 4693925), (523, 3832325), (1525, 1314299), (1795, 1116605), (2135, 938785), (2513, 797575), (2615, 766465), (3661, 547475), (8975, 223321), (10675, 187757), (12565, 159515), (13075, 153293), (18305, 109495), (21899, 91525), (31903, 62825)]