208055400940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{1379129}}^1$

素因数の和:1379554

約数の個数: 48

約数和(自身を含む): 461070741600

約数和(自身を除く): 253015340660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 397, 794, 1588, 1985, 3970, 7543, 7940, 15086, 30172, 37715, 75430, 150860, 1379129, 2758258, 5516516, 6895645, 13791290, 26203451, 27582580, 52406902, 104813804, 131017255, 262034510, 524069020, 547514213, 1095028426, 2190056852, 2737571065, 5475142130, 10402770047, 10950284260, 20805540094, 41611080188, 52013850235, 104027700470, 208055400940]

約数ペア:

[(1, 208055400940), (2, 104027700470), (4, 52013850235), (5, 41611080188), (10, 20805540094), (19, 10950284260), (20, 10402770047), (38, 5475142130), (76, 2737571065), (95, 2190056852), (190, 1095028426), (380, 547514213), (397, 524069020), (794, 262034510), (1588, 131017255), (1985, 104813804), (3970, 52406902), (7543, 27582580), (7940, 26203451), (15086, 13791290), (30172, 6895645), (37715, 5516516), (75430, 2758258), (150860, 1379129)]