478684385

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 671742720

約数和(自身を除く): 193058335

約数列:

[1, 5, 17, 19, 43, 61, 85, 95, 113, 215, 305, 323, 565, 731, 817, 1037, 1159, 1615, 1921, 2147, 2623, 3655, 4085, 4859, 5185, 5795, 6893, 9605, 10735, 13115, 13889, 19703, 24295, 34465, 36499, 44591, 49837, 69445, 82603, 92321, 98515, 117181, 130967, 182495, 222955, 249185, 296399, 413015, 461605, 585905, 654835, 847229, 1481995, 1569457, 2226439, 4236145, 5038783, 5631581, 7847285, 11132195, 25193915, 28157905, 95736877, 478684385]

約数ペア:

[(1, 478684385), (5, 95736877), (17, 28157905), (19, 25193915), (43, 11132195), (61, 7847285), (85, 5631581), (95, 5038783), (113, 4236145), (215, 2226439), (305, 1569457), (323, 1481995), (565, 847229), (731, 654835), (817, 585905), (1037, 461605), (1159, 413015), (1615, 296399), (1921, 249185), (2147, 222955), (2623, 182495), (3655, 130967), (4085, 117181), (4859, 98515), (5185, 92321), (5795, 82603), (6893, 69445), (9605, 49837), (10735, 44591), (13115, 36499), (13889, 34465), (19703, 24295)]