30809890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{811}}^1$

素因数の和:978

約数の個数: 32

約数和(自身を含む): 57879360

約数和(自身を除く): 27069470

約数列:

[1, 2, 5, 10, 29, 58, 131, 145, 262, 290, 655, 811, 1310, 1622, 3799, 4055, 7598, 8110, 18995, 23519, 37990, 47038, 106241, 117595, 212482, 235190, 531205, 1062410, 3080989, 6161978, 15404945, 30809890]

約数ペア:

[(1, 30809890), (2, 15404945), (5, 6161978), (10, 3080989), (29, 1062410), (58, 531205), (131, 235190), (145, 212482), (262, 117595), (290, 106241), (655, 47038), (811, 37990), (1310, 23519), (1622, 18995), (3799, 8110), (4055, 7598)]