542695600

素因数分解:

$2^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:383

約数の個数: 120

約数和(自身を含む): 1342601568

約数和(自身を除く): 799905968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 97, 100, 142, 194, 197, 200, 284, 355, 388, 394, 400, 485, 568, 710, 776, 788, 970, 985, 1136, 1420, 1552, 1576, 1775, 1940, 1970, 2425, 2840, 3152, 3550, 3880, 3940, 4850, 4925, 5680, 6887, 7100, 7760, 7880, 9700, 9850, 13774, 13987, 14200, 15760, 19109, 19400, 19700, 27548, 27974, 28400, 34435, 38218, 38800, 39400, 55096, 55948, 68870, 69935, 76436, 78800, 95545, 110192, 111896, 137740, 139870, 152872, 172175, 191090, 223792, 275480, 279740, 305744, 344350, 349675, 382180, 477725, 550960, 559480, 688700, 699350, 764360, 955450, 1118960, 1356739, 1377400, 1398700, 1528720, 1910900, 2713478, 2754800, 2797400, 3821800, 5426956, 5594800, 6783695, 7643600, 10853912, 13567390, 21707824, 27134780, 33918475, 54269560, 67836950, 108539120, 135673900, 271347800, 542695600]

約数ペア:

[(1, 542695600), (2, 271347800), (4, 135673900), (5, 108539120), (8, 67836950), (10, 54269560), (16, 33918475), (20, 27134780), (25, 21707824), (40, 13567390), (50, 10853912), (71, 7643600), (80, 6783695), (97, 5594800), (100, 5426956), (142, 3821800), (194, 2797400), (197, 2754800), (200, 2713478), (284, 1910900), (355, 1528720), (388, 1398700), (394, 1377400), (400, 1356739), (485, 1118960), (568, 955450), (710, 764360), (776, 699350), (788, 688700), (970, 559480), (985, 550960), (1136, 477725), (1420, 382180), (1552, 349675), (1576, 344350), (1775, 305744), (1940, 279740), (1970, 275480), (2425, 223792), (2840, 191090), (3152, 172175), (3550, 152872), (3880, 139870), (3940, 137740), (4850, 111896), (4925, 110192), (5680, 95545), (6887, 78800), (7100, 76436), (7760, 69935), (7880, 68870), (9700, 55948), (9850, 55096), (13774, 39400), (13987, 38800), (14200, 38218), (15760, 34435), (19109, 28400), (19400, 27974), (19700, 27548)]