1771803920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{757}}^1\times {\mathrm{1721}}^1$

素因数の和:2508

約数の個数: 80

約数和(自身を含む): 4370064048

約数和(自身を除く): 2598260128

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 757, 1360, 1514, 1721, 3028, 3442, 3785, 6056, 6884, 7570, 8605, 12112, 12869, 13768, 15140, 17210, 25738, 27536, 29257, 30280, 34420, 51476, 58514, 60560, 64345, 68840, 102952, 117028, 128690, 137680, 146285, 205904, 234056, 257380, 292570, 468112, 514760, 585140, 1029520, 1170280, 1302797, 2340560, 2605594, 5211188, 6513985, 10422376, 13027970, 20844752, 22147549, 26055940, 44295098, 52111880, 88590196, 104223760, 110737745, 177180392, 221475490, 354360784, 442950980, 885901960, 1771803920]

約数ペア:

[(1, 1771803920), (2, 885901960), (4, 442950980), (5, 354360784), (8, 221475490), (10, 177180392), (16, 110737745), (17, 104223760), (20, 88590196), (34, 52111880), (40, 44295098), (68, 26055940), (80, 22147549), (85, 20844752), (136, 13027970), (170, 10422376), (272, 6513985), (340, 5211188), (680, 2605594), (757, 2340560), (1360, 1302797), (1514, 1170280), (1721, 1029520), (3028, 585140), (3442, 514760), (3785, 468112), (6056, 292570), (6884, 257380), (7570, 234056), (8605, 205904), (12112, 146285), (12869, 137680), (13768, 128690), (15140, 117028), (17210, 102952), (25738, 68840), (27536, 64345), (29257, 60560), (30280, 58514), (34420, 51476)]