1910701840

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{2657}}^1$

素因数の和:2860

約数の個数: 80

約数和(自身を含む): 4538481840

約数和(自身を除く): 2627780000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 101, 178, 202, 356, 404, 445, 505, 712, 808, 890, 1010, 1424, 1616, 1780, 2020, 2657, 3560, 4040, 5314, 7120, 8080, 8989, 10628, 13285, 17978, 21256, 26570, 35956, 42512, 44945, 53140, 71912, 89890, 106280, 143824, 179780, 212560, 236473, 268357, 359560, 472946, 536714, 719120, 945892, 1073428, 1182365, 1341785, 1891784, 2146856, 2364730, 2683570, 3783568, 4293712, 4729460, 5367140, 9458920, 10734280, 18917840, 21468560, 23883773, 47767546, 95535092, 119418865, 191070184, 238837730, 382140368, 477675460, 955350920, 1910701840]

約数ペア:

[(1, 1910701840), (2, 955350920), (4, 477675460), (5, 382140368), (8, 238837730), (10, 191070184), (16, 119418865), (20, 95535092), (40, 47767546), (80, 23883773), (89, 21468560), (101, 18917840), (178, 10734280), (202, 9458920), (356, 5367140), (404, 4729460), (445, 4293712), (505, 3783568), (712, 2683570), (808, 2364730), (890, 2146856), (1010, 1891784), (1424, 1341785), (1616, 1182365), (1780, 1073428), (2020, 945892), (2657, 719120), (3560, 536714), (4040, 472946), (5314, 359560), (7120, 268357), (8080, 236473), (8989, 212560), (10628, 179780), (13285, 143824), (17978, 106280), (21256, 89890), (26570, 71912), (35956, 53140), (42512, 44945)]