3191450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 48

約数和(自身を含む): 6428160

約数和(自身を除く): 3236710

約数列:

[1, 2, 5, 10, 25, 29, 31, 50, 58, 62, 71, 142, 145, 155, 290, 310, 355, 710, 725, 775, 899, 1450, 1550, 1775, 1798, 2059, 2201, 3550, 4118, 4402, 4495, 8990, 10295, 11005, 20590, 22010, 22475, 44950, 51475, 55025, 63829, 102950, 110050, 127658, 319145, 638290, 1595725, 3191450]

約数ペア:

[(1, 3191450), (2, 1595725), (5, 638290), (10, 319145), (25, 127658), (29, 110050), (31, 102950), (50, 63829), (58, 55025), (62, 51475), (71, 44950), (142, 22475), (145, 22010), (155, 20590), (290, 11005), (310, 10295), (355, 8990), (710, 4495), (725, 4402), (775, 4118), (899, 3550), (1450, 2201), (1550, 2059), (1775, 1798)]