1489788290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{270379}}^1$

素因数の和:270434

約数の個数: 32

約数和(自身を含む): 2920104000

約数和(自身を除く): 1430315710

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 290, 551, 1102, 2755, 5510, 270379, 540758, 1351895, 2703790, 5137201, 7840991, 10274402, 15681982, 25686005, 39204955, 51372010, 78409910, 148978829, 297957658, 744894145, 1489788290]

約数ペア:

[(1, 1489788290), (2, 744894145), (5, 297957658), (10, 148978829), (19, 78409910), (29, 51372010), (38, 39204955), (58, 25686005), (95, 15681982), (145, 10274402), (190, 7840991), (290, 5137201), (551, 2703790), (1102, 1351895), (2755, 540758), (5510, 270379)]