28702300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 68901840

約数和(自身を除く): 40199540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 97, 100, 110, 194, 220, 269, 275, 388, 485, 538, 550, 970, 1067, 1076, 1100, 1345, 1940, 2134, 2425, 2690, 2959, 4268, 4850, 5335, 5380, 5918, 6725, 9700, 10670, 11836, 13450, 14795, 21340, 26093, 26675, 26900, 29590, 52186, 53350, 59180, 73975, 104372, 106700, 130465, 147950, 260930, 287023, 295900, 521860, 574046, 652325, 1148092, 1304650, 1435115, 2609300, 2870230, 5740460, 7175575, 14351150, 28702300]

約数ペア:

[(1, 28702300), (2, 14351150), (4, 7175575), (5, 5740460), (10, 2870230), (11, 2609300), (20, 1435115), (22, 1304650), (25, 1148092), (44, 652325), (50, 574046), (55, 521860), (97, 295900), (100, 287023), (110, 260930), (194, 147950), (220, 130465), (269, 106700), (275, 104372), (388, 73975), (485, 59180), (538, 53350), (550, 52186), (970, 29590), (1067, 26900), (1076, 26675), (1100, 26093), (1345, 21340), (1940, 14795), (2134, 13450), (2425, 11836), (2690, 10670), (2959, 9700), (4268, 6725), (4850, 5918), (5335, 5380)]