251614910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{42719}}^1$

素因数の和:42776

約数の個数: 32

約数和(自身を含む): 492134400

約数和(自身を除く): 240519490

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 5890, 42719, 85438, 213595, 427190, 811661, 1324289, 1623322, 2648578, 4058305, 6621445, 8116610, 13242890, 25161491, 50322982, 125807455, 251614910]

約数ペア:

[(1, 251614910), (2, 125807455), (5, 50322982), (10, 25161491), (19, 13242890), (31, 8116610), (38, 6621445), (62, 4058305), (95, 2648578), (155, 1623322), (190, 1324289), (310, 811661), (589, 427190), (1178, 213595), (2945, 85438), (5890, 42719)]