1550244220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{56209}}^1$

素因数の和:56422

約数の個数: 48

約数和(自身を含む): 3739538880

約数和(自身を除く): 2189294660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2758, 3940, 5516, 6895, 13790, 27580, 56209, 112418, 224836, 281045, 393463, 562090, 786926, 1124180, 1573852, 1967315, 3934630, 7869260, 11073173, 22146346, 44292692, 55365865, 77512211, 110731730, 155024422, 221463460, 310048844, 387561055, 775122110, 1550244220]

約数ペア:

[(1, 1550244220), (2, 775122110), (4, 387561055), (5, 310048844), (7, 221463460), (10, 155024422), (14, 110731730), (20, 77512211), (28, 55365865), (35, 44292692), (70, 22146346), (140, 11073173), (197, 7869260), (394, 3934630), (788, 1967315), (985, 1573852), (1379, 1124180), (1970, 786926), (2758, 562090), (3940, 393463), (5516, 281045), (6895, 224836), (13790, 112418), (27580, 56209)]