81428810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:335

約数の個数: 64

約数和(自身を含む): 163296000

約数和(自身を除く): 81867190

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 83, 85, 145, 166, 170, 199, 290, 398, 415, 493, 830, 986, 995, 1411, 1990, 2407, 2465, 2822, 3383, 4814, 4930, 5771, 6766, 7055, 11542, 12035, 14110, 16517, 16915, 24070, 28855, 33034, 33830, 40919, 57710, 81838, 82585, 98107, 165170, 196214, 204595, 280789, 409190, 478993, 490535, 561578, 957986, 981070, 1403945, 2394965, 2807890, 4789930, 8142881, 16285762, 40714405, 81428810]

約数ペア:

[(1, 81428810), (2, 40714405), (5, 16285762), (10, 8142881), (17, 4789930), (29, 2807890), (34, 2394965), (58, 1403945), (83, 981070), (85, 957986), (145, 561578), (166, 490535), (170, 478993), (199, 409190), (290, 280789), (398, 204595), (415, 196214), (493, 165170), (830, 98107), (986, 82585), (995, 81838), (1411, 57710), (1990, 40919), (2407, 33830), (2465, 33034), (2822, 28855), (3383, 24070), (4814, 16915), (4930, 16517), (5771, 14110), (6766, 12035), (7055, 11542)]