42280985

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 56160000

約数和(自身を除く): 13879015

約数列:

[1, 5, 19, 29, 95, 103, 145, 149, 515, 551, 745, 1957, 2755, 2831, 2987, 4321, 9785, 14155, 14935, 15347, 21605, 56753, 76735, 82099, 283765, 291593, 410495, 445063, 1457965, 2225315, 8456197, 42280985]

約数ペア:

[(1, 42280985), (5, 8456197), (19, 2225315), (29, 1457965), (95, 445063), (103, 410495), (145, 291593), (149, 283765), (515, 82099), (551, 76735), (745, 56753), (1957, 21605), (2755, 15347), (2831, 14935), (2987, 14155), (4321, 9785)]