207979980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{266641}}^1$

素因数の和:266666

約数の個数: 48

約数和(自身を含む): 627141984

約数和(自身を除く): 419162004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 266641, 533282, 799923, 1066564, 1333205, 1599846, 2666410, 3199692, 3466333, 3999615, 5332820, 6932666, 7999230, 10398999, 13865332, 15998460, 17331665, 20797998, 34663330, 41595996, 51994995, 69326660, 103989990, 207979980]

約数ペア:

[(1, 207979980), (2, 103989990), (3, 69326660), (4, 51994995), (5, 41595996), (6, 34663330), (10, 20797998), (12, 17331665), (13, 15998460), (15, 13865332), (20, 10398999), (26, 7999230), (30, 6932666), (39, 5332820), (52, 3999615), (60, 3466333), (65, 3199692), (78, 2666410), (130, 1599846), (156, 1333205), (195, 1066564), (260, 799923), (390, 533282), (780, 266641)]