210311440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{619}}^1$

素因数の和:800

約数の個数: 80

約数和(自身を含む): 509253120

約数和(自身を除く): 298941680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 137, 155, 248, 274, 310, 496, 548, 619, 620, 685, 1096, 1238, 1240, 1370, 2192, 2476, 2480, 2740, 3095, 4247, 4952, 5480, 6190, 8494, 9904, 10960, 12380, 16988, 19189, 21235, 24760, 33976, 38378, 42470, 49520, 67952, 76756, 84803, 84940, 95945, 153512, 169606, 169880, 191890, 307024, 339212, 339760, 383780, 424015, 678424, 767560, 848030, 1356848, 1535120, 1696060, 2628893, 3392120, 5257786, 6784240, 10515572, 13144465, 21031144, 26288930, 42062288, 52577860, 105155720, 210311440]

約数ペア:

[(1, 210311440), (2, 105155720), (4, 52577860), (5, 42062288), (8, 26288930), (10, 21031144), (16, 13144465), (20, 10515572), (31, 6784240), (40, 5257786), (62, 3392120), (80, 2628893), (124, 1696060), (137, 1535120), (155, 1356848), (248, 848030), (274, 767560), (310, 678424), (496, 424015), (548, 383780), (619, 339760), (620, 339212), (685, 307024), (1096, 191890), (1238, 169880), (1240, 169606), (1370, 153512), (2192, 95945), (2476, 84940), (2480, 84803), (2740, 76756), (3095, 67952), (4247, 49520), (4952, 42470), (5480, 38378), (6190, 33976), (8494, 24760), (9904, 21235), (10960, 19189), (12380, 16988)]