278364883120

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{10512269}}^1$

素因数の和:10512613

約数の個数: 40

約数和(自身を含む): 649153697040

約数和(自身を除く): 370788813920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 1324, 1655, 2648, 3310, 5296, 6620, 13240, 26480, 10512269, 21024538, 42049076, 52561345, 84098152, 105122690, 168196304, 210245380, 420490760, 840981520, 3479561039, 6959122078, 13918244156, 17397805195, 27836488312, 34795610390, 55672976624, 69591220780, 139182441560, 278364883120]

約数ペア:

[(1, 278364883120), (2, 139182441560), (4, 69591220780), (5, 55672976624), (8, 34795610390), (10, 27836488312), (16, 17397805195), (20, 13918244156), (40, 6959122078), (80, 3479561039), (331, 840981520), (662, 420490760), (1324, 210245380), (1655, 168196304), (2648, 105122690), (3310, 84098152), (5296, 52561345), (6620, 42049076), (13240, 21024538), (26480, 10512269)]