1319555890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{727}}^1$

素因数の和:1027

約数の個数: 64

約数和(自身を含む): 2575722240

約数和(自身を除く): 1256166350

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 233, 410, 466, 727, 779, 1165, 1454, 1558, 2330, 3635, 3895, 4427, 7270, 7790, 8854, 9553, 13813, 19106, 22135, 27626, 29807, 44270, 47765, 59614, 69065, 95530, 138130, 149035, 169391, 181507, 298070, 338782, 363014, 566333, 846955, 907535, 1132666, 1693910, 1815070, 2831665, 3218429, 5663330, 6436858, 6945031, 13890062, 16092145, 32184290, 34725155, 69450310, 131955589, 263911178, 659777945, 1319555890]

約数ペア:

[(1, 1319555890), (2, 659777945), (5, 263911178), (10, 131955589), (19, 69450310), (38, 34725155), (41, 32184290), (82, 16092145), (95, 13890062), (190, 6945031), (205, 6436858), (233, 5663330), (410, 3218429), (466, 2831665), (727, 1815070), (779, 1693910), (1165, 1132666), (1454, 907535), (1558, 846955), (2330, 566333), (3635, 363014), (3895, 338782), (4427, 298070), (7270, 181507), (7790, 169391), (8854, 149035), (9553, 138130), (13813, 95530), (19106, 69065), (22135, 59614), (27626, 47765), (29807, 44270)]