199910150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:398

約数の個数: 72

約数和(自身を含む): 413223552

約数和(自身を除く): 213313402

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 173, 191, 242, 275, 346, 382, 550, 605, 865, 955, 1210, 1730, 1903, 1910, 2101, 3025, 3806, 4202, 4325, 4775, 6050, 8650, 9515, 9550, 10505, 19030, 20933, 21010, 23111, 33043, 41866, 46222, 47575, 52525, 66086, 95150, 104665, 105050, 115555, 165215, 209330, 231110, 330430, 363473, 523325, 577775, 726946, 826075, 1046650, 1155550, 1652150, 1817365, 3634730, 3998203, 7996406, 9086825, 18173650, 19991015, 39982030, 99955075, 199910150]

約数ペア:

[(1, 199910150), (2, 99955075), (5, 39982030), (10, 19991015), (11, 18173650), (22, 9086825), (25, 7996406), (50, 3998203), (55, 3634730), (110, 1817365), (121, 1652150), (173, 1155550), (191, 1046650), (242, 826075), (275, 726946), (346, 577775), (382, 523325), (550, 363473), (605, 330430), (865, 231110), (955, 209330), (1210, 165215), (1730, 115555), (1903, 105050), (1910, 104665), (2101, 95150), (3025, 66086), (3806, 52525), (4202, 47575), (4325, 46222), (4775, 41866), (6050, 33043), (8650, 23111), (9515, 21010), (9550, 20933), (10505, 19030)]