2829126980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{19139}}^1$

素因数の和:19556

約数の個数: 48

約数和(自身を含む): 6270264000

約数和(自身を除く): 3441137020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 389, 778, 1556, 1945, 3890, 7391, 7780, 14782, 19139, 29564, 36955, 38278, 73910, 76556, 95695, 147820, 191390, 363641, 382780, 727282, 1454564, 1818205, 3636410, 7272820, 7445071, 14890142, 29780284, 37225355, 74450710, 141456349, 148901420, 282912698, 565825396, 707281745, 1414563490, 2829126980]

約数ペア:

[(1, 2829126980), (2, 1414563490), (4, 707281745), (5, 565825396), (10, 282912698), (19, 148901420), (20, 141456349), (38, 74450710), (76, 37225355), (95, 29780284), (190, 14890142), (380, 7445071), (389, 7272820), (778, 3636410), (1556, 1818205), (1945, 1454564), (3890, 727282), (7391, 382780), (7780, 363641), (14782, 191390), (19139, 147820), (29564, 95695), (36955, 76556), (38278, 73910)]