1385756785

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{929}}^1$

素因数の和:1090

約数の個数: 64

約数和(自身を含む): 2121292800

約数和(自身を除く): 735536015

約数列:

[1, 5, 7, 17, 23, 35, 85, 109, 115, 119, 161, 391, 545, 595, 763, 805, 929, 1853, 1955, 2507, 2737, 3815, 4645, 6503, 9265, 12535, 12971, 13685, 15793, 17549, 21367, 32515, 42619, 64855, 78965, 87745, 101261, 106835, 110551, 149569, 213095, 298333, 363239, 506305, 552755, 708827, 747845, 1491665, 1721437, 1816195, 2329003, 2542673, 3544135, 8607185, 11645015, 12050059, 12713365, 16303021, 39593051, 60250295, 81515105, 197965255, 277151357, 1385756785]

約数ペア:

[(1, 1385756785), (5, 277151357), (7, 197965255), (17, 81515105), (23, 60250295), (35, 39593051), (85, 16303021), (109, 12713365), (115, 12050059), (119, 11645015), (161, 8607185), (391, 3544135), (545, 2542673), (595, 2329003), (763, 1816195), (805, 1721437), (929, 1491665), (1853, 747845), (1955, 708827), (2507, 552755), (2737, 506305), (3815, 363239), (4645, 298333), (6503, 213095), (9265, 149569), (12535, 110551), (12971, 106835), (13685, 101261), (15793, 87745), (17549, 78965), (21367, 64855), (32515, 42619)]