201774920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1607}}^1$

素因数の和:1734

約数の個数: 64

約数和(自身を含む): 471208320

約数和(自身を除く): 269433400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 73, 86, 146, 172, 215, 292, 344, 365, 430, 584, 730, 860, 1460, 1607, 1720, 2920, 3139, 3214, 6278, 6428, 8035, 12556, 12856, 15695, 16070, 25112, 31390, 32140, 62780, 64280, 69101, 117311, 125560, 138202, 234622, 276404, 345505, 469244, 552808, 586555, 691010, 938488, 1173110, 1382020, 2346220, 2764040, 4692440, 5044373, 10088746, 20177492, 25221865, 40354984, 50443730, 100887460, 201774920]

約数ペア:

[(1, 201774920), (2, 100887460), (4, 50443730), (5, 40354984), (8, 25221865), (10, 20177492), (20, 10088746), (40, 5044373), (43, 4692440), (73, 2764040), (86, 2346220), (146, 1382020), (172, 1173110), (215, 938488), (292, 691010), (344, 586555), (365, 552808), (430, 469244), (584, 345505), (730, 276404), (860, 234622), (1460, 138202), (1607, 125560), (1720, 117311), (2920, 69101), (3139, 64280), (3214, 62780), (6278, 32140), (6428, 31390), (8035, 25112), (12556, 16070), (12856, 15695)]