779035300

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{7877}}^1$

素因数の和:7957

約数の個数: 72

約数和(自身を含む): 1805259456

約数和(自身を除く): 1026224156

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 43, 46, 50, 86, 92, 100, 115, 172, 215, 230, 430, 460, 575, 860, 989, 1075, 1150, 1978, 2150, 2300, 3956, 4300, 4945, 7877, 9890, 15754, 19780, 24725, 31508, 39385, 49450, 78770, 98900, 157540, 181171, 196925, 338711, 362342, 393850, 677422, 724684, 787700, 905855, 1354844, 1693555, 1811710, 3387110, 3623420, 4529275, 6774220, 7790353, 8467775, 9058550, 15580706, 16935550, 18117100, 31161412, 33871100, 38951765, 77903530, 155807060, 194758825, 389517650, 779035300]

約数ペア:

[(1, 779035300), (2, 389517650), (4, 194758825), (5, 155807060), (10, 77903530), (20, 38951765), (23, 33871100), (25, 31161412), (43, 18117100), (46, 16935550), (50, 15580706), (86, 9058550), (92, 8467775), (100, 7790353), (115, 6774220), (172, 4529275), (215, 3623420), (230, 3387110), (430, 1811710), (460, 1693555), (575, 1354844), (860, 905855), (989, 787700), (1075, 724684), (1150, 677422), (1978, 393850), (2150, 362342), (2300, 338711), (3956, 196925), (4300, 181171), (4945, 157540), (7877, 98900), (9890, 78770), (15754, 49450), (19780, 39385), (24725, 31508)]