11519800

素因数分解:

$2^3\times 5^2\times {\mathrm{239}}^1\times {\mathrm{241}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 27007200

約数和(自身を除く): 15487400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 239, 241, 478, 482, 956, 964, 1195, 1205, 1912, 1928, 2390, 2410, 4780, 4820, 5975, 6025, 9560, 9640, 11950, 12050, 23900, 24100, 47800, 48200, 57599, 115198, 230396, 287995, 460792, 575990, 1151980, 1439975, 2303960, 2879950, 5759900, 11519800]

約数ペア:

[(1, 11519800), (2, 5759900), (4, 2879950), (5, 2303960), (8, 1439975), (10, 1151980), (20, 575990), (25, 460792), (40, 287995), (50, 230396), (100, 115198), (200, 57599), (239, 48200), (241, 47800), (478, 24100), (482, 23900), (956, 12050), (964, 11950), (1195, 9640), (1205, 9560), (1912, 6025), (1928, 5975), (2390, 4820), (2410, 4780)]