665293850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{1831}}^1$

素因数の和:1912

約数の個数: 72

約数和(自身を含む): 1371867552

約数和(自身を除く): 706573702

約数列:

[1, 2, 5, 10, 13, 25, 26, 43, 50, 65, 86, 130, 169, 215, 325, 338, 430, 559, 650, 845, 1075, 1118, 1690, 1831, 2150, 2795, 3662, 4225, 5590, 7267, 8450, 9155, 13975, 14534, 18310, 23803, 27950, 36335, 45775, 47606, 72670, 78733, 91550, 119015, 157466, 181675, 238030, 309439, 363350, 393665, 595075, 618878, 787330, 1023529, 1190150, 1547195, 1968325, 2047058, 3094390, 3936650, 5117645, 7735975, 10235290, 13305877, 15471950, 25588225, 26611754, 51176450, 66529385, 133058770, 332646925, 665293850]

約数ペア:

[(1, 665293850), (2, 332646925), (5, 133058770), (10, 66529385), (13, 51176450), (25, 26611754), (26, 25588225), (43, 15471950), (50, 13305877), (65, 10235290), (86, 7735975), (130, 5117645), (169, 3936650), (215, 3094390), (325, 2047058), (338, 1968325), (430, 1547195), (559, 1190150), (650, 1023529), (845, 787330), (1075, 618878), (1118, 595075), (1690, 393665), (1831, 363350), (2150, 309439), (2795, 238030), (3662, 181675), (4225, 157466), (5590, 119015), (7267, 91550), (8450, 78733), (9155, 72670), (13975, 47606), (14534, 45775), (18310, 36335), (23803, 27950)]