390264890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43411}}^1$

素因数の和:43478

約数の個数: 32

約数和(自身を含む): 750159360

約数和(自身を除く): 359894470

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 145, 155, 290, 310, 899, 1798, 4495, 8990, 43411, 86822, 217055, 434110, 1258919, 1345741, 2517838, 2691482, 6294595, 6728705, 12589190, 13457410, 39026489, 78052978, 195132445, 390264890]

約数ペア:

[(1, 390264890), (2, 195132445), (5, 78052978), (10, 39026489), (29, 13457410), (31, 12589190), (58, 6728705), (62, 6294595), (145, 2691482), (155, 2517838), (290, 1345741), (310, 1258919), (899, 434110), (1798, 217055), (4495, 86822), (8990, 43411)]