858555740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{44119}}^1$

素因数の和:44274

約数の個数: 48

約数和(自身を含む): 2075404800

約数和(自身を除く): 1216849060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 4865, 9730, 19460, 44119, 88238, 176476, 220595, 308833, 441190, 617666, 882380, 1235332, 1544165, 3088330, 6132541, 6176660, 12265082, 24530164, 30662705, 42927787, 61325410, 85855574, 122650820, 171711148, 214638935, 429277870, 858555740]

約数ペア:

[(1, 858555740), (2, 429277870), (4, 214638935), (5, 171711148), (7, 122650820), (10, 85855574), (14, 61325410), (20, 42927787), (28, 30662705), (35, 24530164), (70, 12265082), (139, 6176660), (140, 6132541), (278, 3088330), (556, 1544165), (695, 1235332), (973, 882380), (1390, 617666), (1946, 441190), (2780, 308833), (3892, 220595), (4865, 176476), (9730, 88238), (19460, 44119)]