28390740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2939}}^1$

素因数の和:2981

約数の個数: 96

約数和(自身を含む): 94832640

約数和(自身を除く): 66441900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1610, 1932, 2415, 2939, 3220, 4830, 5878, 8817, 9660, 11756, 14695, 17634, 20573, 29390, 35268, 41146, 44085, 58780, 61719, 67597, 82292, 88170, 102865, 123438, 135194, 176340, 202791, 205730, 246876, 270388, 308595, 337985, 405582, 411460, 473179, 617190, 675970, 811164, 946358, 1013955, 1234380, 1351940, 1419537, 1892716, 2027910, 2365895, 2839074, 4055820, 4731790, 5678148, 7097685, 9463580, 14195370, 28390740]

約数ペア:

[(1, 28390740), (2, 14195370), (3, 9463580), (4, 7097685), (5, 5678148), (6, 4731790), (7, 4055820), (10, 2839074), (12, 2365895), (14, 2027910), (15, 1892716), (20, 1419537), (21, 1351940), (23, 1234380), (28, 1013955), (30, 946358), (35, 811164), (42, 675970), (46, 617190), (60, 473179), (69, 411460), (70, 405582), (84, 337985), (92, 308595), (105, 270388), (115, 246876), (138, 205730), (140, 202791), (161, 176340), (210, 135194), (230, 123438), (276, 102865), (322, 88170), (345, 82292), (420, 67597), (460, 61719), (483, 58780), (644, 44085), (690, 41146), (805, 35268), (966, 29390), (1380, 20573), (1610, 17634), (1932, 14695), (2415, 11756), (2939, 9660), (3220, 8817), (4830, 5878)]