31940230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{359}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 69672960

約数和(自身を除く): 37732730

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 41, 62, 70, 82, 155, 205, 217, 287, 310, 359, 410, 434, 574, 718, 1085, 1271, 1435, 1795, 2170, 2513, 2542, 2870, 3590, 5026, 6355, 8897, 11129, 12565, 12710, 14719, 17794, 22258, 25130, 29438, 44485, 55645, 73595, 77903, 88970, 103033, 111290, 147190, 155806, 206066, 389515, 456289, 515165, 779030, 912578, 1030330, 2281445, 3194023, 4562890, 6388046, 15970115, 31940230]

約数ペア:

[(1, 31940230), (2, 15970115), (5, 6388046), (7, 4562890), (10, 3194023), (14, 2281445), (31, 1030330), (35, 912578), (41, 779030), (62, 515165), (70, 456289), (82, 389515), (155, 206066), (205, 155806), (217, 147190), (287, 111290), (310, 103033), (359, 88970), (410, 77903), (434, 73595), (574, 55645), (718, 44485), (1085, 29438), (1271, 25130), (1435, 22258), (1795, 17794), (2170, 14719), (2513, 12710), (2542, 12565), (2870, 11129), (3590, 8897), (5026, 6355)]