214739710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 420940800

約数和(自身を除く): 206201090

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 139, 173, 190, 235, 278, 346, 470, 695, 865, 893, 1390, 1730, 1786, 2641, 3287, 4465, 5282, 6533, 6574, 8131, 8930, 13066, 13205, 16262, 16435, 24047, 26410, 32665, 32870, 40655, 48094, 65330, 81310, 120235, 124127, 154489, 240470, 248254, 308978, 456893, 620635, 772445, 913786, 1130209, 1241270, 1544890, 2260418, 2284465, 4568930, 5651045, 11302090, 21473971, 42947942, 107369855, 214739710]

約数ペア:

[(1, 214739710), (2, 107369855), (5, 42947942), (10, 21473971), (19, 11302090), (38, 5651045), (47, 4568930), (94, 2284465), (95, 2260418), (139, 1544890), (173, 1241270), (190, 1130209), (235, 913786), (278, 772445), (346, 620635), (470, 456893), (695, 308978), (865, 248254), (893, 240470), (1390, 154489), (1730, 124127), (1786, 120235), (2641, 81310), (3287, 65330), (4465, 48094), (5282, 40655), (6533, 32870), (6574, 32665), (8131, 26410), (8930, 24047), (13066, 16435), (13205, 16262)]