404855680

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{293}}^1$

素因数の和:456

約数の個数: 128

約数和(自身を含む): 1036385280

約数和(自身を除く): 631529600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 127, 128, 136, 160, 170, 254, 272, 293, 320, 340, 508, 544, 586, 635, 640, 680, 1016, 1088, 1172, 1270, 1360, 1465, 2032, 2159, 2176, 2344, 2540, 2720, 2930, 4064, 4318, 4688, 4981, 5080, 5440, 5860, 8128, 8636, 9376, 9962, 10160, 10795, 10880, 11720, 16256, 17272, 18752, 19924, 20320, 21590, 23440, 24905, 34544, 37211, 37504, 39848, 40640, 43180, 46880, 49810, 69088, 74422, 79696, 81280, 86360, 93760, 99620, 138176, 148844, 159392, 172720, 186055, 187520, 199240, 276352, 297688, 318784, 345440, 372110, 398480, 595376, 632587, 637568, 690880, 744220, 796960, 1190752, 1265174, 1381760, 1488440, 1593920, 2381504, 2530348, 2976880, 3162935, 3187840, 4763008, 5060696, 5953760, 6325870, 10121392, 11907520, 12651740, 20242784, 23815040, 25303480, 40485568, 50606960, 80971136, 101213920, 202427840, 404855680]

約数ペア:

[(1, 404855680), (2, 202427840), (4, 101213920), (5, 80971136), (8, 50606960), (10, 40485568), (16, 25303480), (17, 23815040), (20, 20242784), (32, 12651740), (34, 11907520), (40, 10121392), (64, 6325870), (68, 5953760), (80, 5060696), (85, 4763008), (127, 3187840), (128, 3162935), (136, 2976880), (160, 2530348), (170, 2381504), (254, 1593920), (272, 1488440), (293, 1381760), (320, 1265174), (340, 1190752), (508, 796960), (544, 744220), (586, 690880), (635, 637568), (640, 632587), (680, 595376), (1016, 398480), (1088, 372110), (1172, 345440), (1270, 318784), (1360, 297688), (1465, 276352), (2032, 199240), (2159, 187520), (2176, 186055), (2344, 172720), (2540, 159392), (2720, 148844), (2930, 138176), (4064, 99620), (4318, 93760), (4688, 86360), (4981, 81280), (5080, 79696), (5440, 74422), (5860, 69088), (8128, 49810), (8636, 46880), (9376, 43180), (9962, 40640), (10160, 39848), (10795, 37504), (10880, 37211), (11720, 34544), (16256, 24905), (17272, 23440), (18752, 21590), (19924, 20320)]