209218120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{11969}}^1$

素因数の和:12022

約数の個数: 64

約数和(自身を含む): 517104000

約数和(自身を除く): 307885880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 760, 874, 920, 1748, 2185, 3496, 4370, 8740, 11969, 17480, 23938, 47876, 59845, 95752, 119690, 227411, 239380, 275287, 454822, 478760, 550574, 909644, 1101148, 1137055, 1376435, 1819288, 2202296, 2274110, 2752870, 4548220, 5230453, 5505740, 9096440, 10460906, 11011480, 20921812, 26152265, 41843624, 52304530, 104609060, 209218120]

約数ペア:

[(1, 209218120), (2, 104609060), (4, 52304530), (5, 41843624), (8, 26152265), (10, 20921812), (19, 11011480), (20, 10460906), (23, 9096440), (38, 5505740), (40, 5230453), (46, 4548220), (76, 2752870), (92, 2274110), (95, 2202296), (115, 1819288), (152, 1376435), (184, 1137055), (190, 1101148), (230, 909644), (380, 550574), (437, 478760), (460, 454822), (760, 275287), (874, 239380), (920, 227411), (1748, 119690), (2185, 95752), (3496, 59845), (4370, 47876), (8740, 23938), (11969, 17480)]