248977890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1873}}^1$

素因数の和:2104

約数の個数: 96

約数和(自身を含む): 743723136

約数和(自身を除く): 494745246

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 211, 315, 422, 630, 633, 1055, 1266, 1477, 1873, 1899, 2110, 2954, 3165, 3746, 3798, 4431, 5619, 6330, 7385, 8862, 9365, 9495, 11238, 13111, 13293, 14770, 16857, 18730, 18990, 22155, 26222, 26586, 28095, 33714, 39333, 44310, 56190, 65555, 66465, 78666, 84285, 117999, 131110, 132930, 168570, 196665, 235998, 393330, 395203, 589995, 790406, 1179990, 1185609, 1976015, 2371218, 2766421, 3556827, 3952030, 5532842, 5928045, 7113654, 8299263, 11856090, 13832105, 16598526, 17784135, 24897789, 27664210, 35568270, 41496315, 49795578, 82992630, 124488945, 248977890]

約数ペア:

[(1, 248977890), (2, 124488945), (3, 82992630), (5, 49795578), (6, 41496315), (7, 35568270), (9, 27664210), (10, 24897789), (14, 17784135), (15, 16598526), (18, 13832105), (21, 11856090), (30, 8299263), (35, 7113654), (42, 5928045), (45, 5532842), (63, 3952030), (70, 3556827), (90, 2766421), (105, 2371218), (126, 1976015), (210, 1185609), (211, 1179990), (315, 790406), (422, 589995), (630, 395203), (633, 393330), (1055, 235998), (1266, 196665), (1477, 168570), (1873, 132930), (1899, 131110), (2110, 117999), (2954, 84285), (3165, 78666), (3746, 66465), (3798, 65555), (4431, 56190), (5619, 44310), (6330, 39333), (7385, 33714), (8862, 28095), (9365, 26586), (9495, 26222), (11238, 22155), (13111, 18990), (13293, 18730), (14770, 16857)]