1225002940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1250003}}^1$

素因数の和:1250026

約数の個数: 36

約数和(自身を含む): 2992509576

約数和(自身を除く): 1767506636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1250003, 2500006, 5000012, 6250015, 8750021, 12500030, 17500042, 25000060, 35000084, 43750105, 61250147, 87500210, 122500294, 175000420, 245000588, 306250735, 612501470, 1225002940]

約数ペア:

[(1, 1225002940), (2, 612501470), (4, 306250735), (5, 245000588), (7, 175000420), (10, 122500294), (14, 87500210), (20, 61250147), (28, 43750105), (35, 35000084), (49, 25000060), (70, 17500042), (98, 12500030), (140, 8750021), (196, 6250015), (245, 5000012), (490, 2500006), (980, 1250003)]