205026900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{52571}}^1$

素因数の和:52601

約数の個数: 72

約数和(自身を含む): 638854944

約数和(自身を除く): 433828044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 52571, 105142, 157713, 210284, 262855, 315426, 525710, 630852, 683423, 788565, 1051420, 1314275, 1366846, 1577130, 2050269, 2628550, 2733692, 3154260, 3417115, 3942825, 4100538, 5257100, 6834230, 7885650, 8201076, 10251345, 13668460, 15771300, 17085575, 20502690, 34171150, 41005380, 51256725, 68342300, 102513450, 205026900]

約数ペア:

[(1, 205026900), (2, 102513450), (3, 68342300), (4, 51256725), (5, 41005380), (6, 34171150), (10, 20502690), (12, 17085575), (13, 15771300), (15, 13668460), (20, 10251345), (25, 8201076), (26, 7885650), (30, 6834230), (39, 5257100), (50, 4100538), (52, 3942825), (60, 3417115), (65, 3154260), (75, 2733692), (78, 2628550), (100, 2050269), (130, 1577130), (150, 1366846), (156, 1314275), (195, 1051420), (260, 788565), (300, 683423), (325, 630852), (390, 525710), (650, 315426), (780, 262855), (975, 210284), (1300, 157713), (1950, 105142), (3900, 52571)]