12112940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2791}}^1$

素因数の和:2838

約数の個数: 48

約数和(自身を含む): 30019584

約数和(自身を除く): 17906644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 2791, 4340, 5582, 11164, 13955, 19537, 27910, 39074, 55820, 78148, 86521, 97685, 173042, 195370, 346084, 390740, 432605, 605647, 865210, 1211294, 1730420, 2422588, 3028235, 6056470, 12112940]

約数ペア:

[(1, 12112940), (2, 6056470), (4, 3028235), (5, 2422588), (7, 1730420), (10, 1211294), (14, 865210), (20, 605647), (28, 432605), (31, 390740), (35, 346084), (62, 195370), (70, 173042), (124, 97685), (140, 86521), (155, 78148), (217, 55820), (310, 39074), (434, 27910), (620, 19537), (868, 13955), (1085, 11164), (2170, 5582), (2791, 4340)]