285999740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{457}}^1$

素因数の和:591

約数の個数: 96

約数和(自身を含む): 678646080

約数和(自身を除く): 392646340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 83, 116, 130, 145, 166, 260, 290, 332, 377, 415, 457, 580, 754, 830, 914, 1079, 1508, 1660, 1828, 1885, 2158, 2285, 2407, 3770, 4316, 4570, 4814, 5395, 5941, 7540, 9140, 9628, 10790, 11882, 12035, 13253, 21580, 23764, 24070, 26506, 29705, 31291, 37931, 48140, 53012, 59410, 62582, 66265, 75862, 118820, 125164, 132530, 151724, 156455, 172289, 189655, 265060, 312910, 344578, 379310, 493103, 625820, 689156, 758620, 861445, 986206, 1099999, 1722890, 1972412, 2199998, 2465515, 3445780, 4399996, 4931030, 5499995, 9862060, 10999990, 14299987, 21999980, 28599974, 57199948, 71499935, 142999870, 285999740]

約数ペア:

[(1, 285999740), (2, 142999870), (4, 71499935), (5, 57199948), (10, 28599974), (13, 21999980), (20, 14299987), (26, 10999990), (29, 9862060), (52, 5499995), (58, 4931030), (65, 4399996), (83, 3445780), (116, 2465515), (130, 2199998), (145, 1972412), (166, 1722890), (260, 1099999), (290, 986206), (332, 861445), (377, 758620), (415, 689156), (457, 625820), (580, 493103), (754, 379310), (830, 344578), (914, 312910), (1079, 265060), (1508, 189655), (1660, 172289), (1828, 156455), (1885, 151724), (2158, 132530), (2285, 125164), (2407, 118820), (3770, 75862), (4316, 66265), (4570, 62582), (4814, 59410), (5395, 53012), (5941, 48140), (7540, 37931), (9140, 31291), (9628, 29705), (10790, 26506), (11882, 24070), (12035, 23764), (13253, 21580)]